It is hard to believe that August is here but don’t panic, there is plenty of time to get outdoors and enjoy some sunny Vitamin D!
While protection from the sun is very important, too much time indoors playing computer games and watching television can lead to potential problems from lack of exposure to the sun. One must use good judgment and have balance as the potential exists for Vitamin D deficiency due to lack of sun exposure. This problem may be true for individuals who use too much protection or spend most of their day indoors due to occupation or poor health. Therefore, the purpose of this column will be to discuss the importance of Vitamin D for health and wellness.
Vitamin D, a fat-soluble vitamin, is found in food and can be made by your body after exposure to ultraviolet (UV) rays from the sun. The liver and kidney help convert Vitamin D to its active form. It assists with calcium absorption, which is essential for normal development and in forming and maintaining strong bones and teeth. Without it, bones can become thin, brittle and soft. The classic deficiency diseases are rickets in children and osteomalacia in adults. Rickets results in skeletal deformities. Osteomalacia is the softening of bones. Vitamin D is essential for normal bone health and may diminish or prevent the onset of osteoporosis in the elderly.
The requirement for Vitamin D is dependent on age, sex, degree of sun exposure and the amount of pigmentation in the skin. Since it can be produced by the body and retained for long periods of time by the body’s tissues, the precise daily requirement has been difficult to determine. Instead, an Adequate Intake (AI) level has been established. AI is a level of intake sufficient to maintain healthy blood levels of an active form of Vitamin D.
Vitamin D deficiency can occur when dietary intake of it is inadequate, when there is limited sunlight exposure, when the kidney cannot convert Vitamin D to its active form or when it is inadequately absorbed from the gastrointestinal tract. Season, geographic location, time of day, cloud cover, air pollution, sunscreens, living indoors and living in cities where tall buildings block adequate sunlight from reaching the ground affect UV ray exposure. Individuals with limited sun exposure are at risk of Vitamin D deficiency.
Homebound individuals, people living in northern latitudes (e.g. New England, Alaska), individuals who cover their bodies for religious reasons and people whose occupations prevent exposure to sunlight may need to supplement with Vitamin D. Sunscreens with a sun protection factor of 8 or greater will block UV rays that produce it. Older adults have a higher risk for deficiency because the skin’s ability to convert Vitamin D to its active form decreases with age and the kidneys, which help convert it to its active form, do not work as well when people age.
Individuals with pancreatic enzyme deficiency, Chron’s disease, cystic fibrosis, sprue, liver disease, surgical removal of part or all of the stomach or small bowel disease may need extra Vitamin D because it is a fat-soluble vitamin and they have reduced ability to absorb dietary fat. Vitamin D supplements are often recommended for exclusively breast-fed infants because human milk may not contain adequate amount. Consult with your pediatrician on this issue.
SOURCES: The National Institutes of Health; CDC
EVERY MONDAY – Read Dr. Paul J. Mackarey “Health & Exercise Forum!” via Blog
EVERY SUNDAY in "The Sunday Times" - Read Dr. Paul J. Mackarey “Health & Exercise Forum!” in hard copy
This article is not intended as a substitute for medical treatment. If you have questions related to your medical condition, please contact your family physician. For further inquires related to this topic email: drpmackarey@msn.com
Paul J. Mackarey PT, DHSc, OCS is a Doctor in Health Sciences specializing in orthopedic and sports physical therapy in Scranton and Clarks Summit. Dr. Mackarey is in private practice and is an associate professor of clinical medicine at Geisinger Commonwealth School of Medicine. For all of Dr. Mackarey's articles, visit our exercise forum!
It’s peak summer time … so make time to get to the water! Research shows that spending time outdoors has many positive effects on your health. Moreover, new research has found that being near a body of water makes us calmer and healthier. You know that special feeling you get when you drive to the lake or the beach and jump out of the car and smell the fresh air and hear the sound of splashing in the lake or the waves of the ocean? Well, it is not just because you’re on vacation…the water makes your muscles relax and breath deeper. Your brainwaves slow down to simulate the gentle roll of the water…lake or ocean! These “blue environments,” not to be confused with “blue zones” are the subject of extensive research at the University of Exeter Medical School in the UK.
Time spent near water promotes physical activity, general fitness and well-being. It is also associated with reducing the incidence of diabetes and other diseases associated with obesity. Additionally, time near the water slows down our heart rate, reduces stress hormones and improves mental health. In fact, the study also found that subconsciously, people consistently preferred pictures of natural environments (rivers, lakes, oceans) even when compared to attractive urban landscapes. In fact, urban landscapes with water (rivers, fountains etc) were far more popular than those without. And, health disparities between coastal and inland communities are more noticeable for low-income individuals who do not have the means to venture to the coast. This may be one of the reasons that four out of the five “Blue Zones” discovered by Dan Buettner are islands.
In addition to the benefits of being by a body of water, just being outdoors promotes better health and wellness:
Sources: NIH, Global News, Plume, L, University of Exeter Medical School in the UK.
EVERY MONDAY – Read Dr. Paul J. Mackarey “Health & Exercise Forum!” via Blog
EVERY SUNDAY in "The Sunday Times" - Read Dr. Paul J. Mackarey “Health & Exercise Forum!” in hard copy
This article is not intended as a substitute for medical treatment. If you have questions related to your medical condition, please contact your family physician. For further inquires related to this topic email: drpmackarey@msn.com
Paul J. Mackarey PT, DHSc, OCS is a Doctor in Health Sciences specializing in orthopedic and sports physical therapy in Scranton and Clarks Summit. Dr. Mackarey is in private practice and is an associate professor of clinical medicine at Geisinger Commonwealth School of Medicine. For all of Dr. Mackarey's articles, visit our exercise forum!
Most would agree that this spring has a little cloudy, rainy and cool in NEPA. However, warm sunny days are soon to come. While protection from the sun is very important, too much time indoors playing computer games and watching television, can lead to potential problems from lack of exposure to the sun. One must use good judgment and have balance as the potential exists for Vitamin D deficiency due to lack of sun exposure. This problem may be true for individuals who use too much protection or spend most of their day indoors due to occupation or poor health. Therefore, it will be the purpose of this column to discuss the importance of Vitamin D for health and wellness.
Vitamin D, a fat soluble vitamin, is found in food and can be made by your body after exposure to ultraviolet (UV) rays from the sun. The liver and kidney help convert it to its active form. Therefore, vitamin D assists calcium absorption, which is essential for normal development and in forming and maintaining strong bones and teeth. Without it, bones can become thin, brittle and soft. The classic Vitamin D deficiency diseases are rickets in children and osteomalacia in adults. Rickets results in skeletal deformities. Osteomalacia is the softening of bones. Therefore, it is essential for normal bone health and may diminish or prevent the onset of osteoporosis in the elderly.
The requirement for Vitamin D is dependent on age, sex, degree of sun exposure and the amount of pigmentation in the skin. Since it can be produced by the body and retained for long periods of time by the body’s tissues, the precise daily requirement has been difficult to determine. Instead, an Adequate Intake (AI) level has been established. AI is a level of intake sufficient to maintain healthy blood levels of an active form of Vitamin D.
Vitamin D deficiency can occur when dietary intake is inadequate, when there is limited sunlight exposure, when the kidney cannot convert Vitamin D to its active form or when Vitamin D is inadequately absorbed from the gastrointestinal tract. Season, geographic location, time of day, cloud cover, air pollution, sunscreens, living indoors and living in cities where tall buildings block adequate sunlight from reaching the ground affect UV ray exposure. Therefore, individuals with limited sun exposure are at risk of this deficiency. Homebound individuals, people living in northern latitudes (e.g. New England, Alaska), individuals who cover their bodies for religious reasons and people whose occupations prevent exposure to sunlight may need to supplement in other forms.
Sunscreens with a sun protection factor of 8 or greater will block UV rays that produce Vitamin D. Older adults have a higher risk for this deficiency because the skin’s ability to convert Vitamin D to its active form decreases with age and the kidneys, which help convert Vitamin D to its active form, do not work as well when people age. Individuals with pancreatic enzyme deficiency, Chron’s disease, cystic fibrosis, sprue, liver disease, surgical removal of part or all of the stomach or small bowel disease may need extra intake because Vitamin D is a fat soluble and they have reduced ability to absorb dietary fat. Supplements are often recommended for exclusively breast-fed infants because human milk may not contain adequate Vitamin D. Consult with your pediatrician on this issue.
SOURCES: The National Institutes of Health; CDC
EVERY MONDAY – Read Dr. Paul J. Mackarey “Health & Exercise Forum!” via Blog
EVERY SUNDAY in "The Sunday Times" - Read Dr. Paul J. Mackarey “Health & Exercise Forum!” in hard copy
This article is not intended as a substitute for medical treatment. If you have questions related to your medical condition, please contact your family physician. For further inquires related to this topic email: drpmackarey@msn.com
Paul J. Mackarey PT, DHSc, OCS is a Doctor in Health Sciences specializing in orthopaedic and sports physical therapy in Scranton and Clarks Summit. Dr. Mackarey is in private practice and is an associate professor of clinical medicine at Geisinger Commonwealth School of Medicine. For all of Dr. Mackarey's articles, visit our exercise forum!
Tomorrow is the first day of summer! The days are longer and sun stronger! Local dermatologist, Dr. Ted Stampien, Jr. can be seen driving his convertible with so much protection from the sun; he may as well have the top UP (bucket hat, sun block 50, long sleeves)! He joked that even the most vigilant dermatologists allow for a little fun in the sun. However, he emphasizes that there is no such thing as a HEALTHY tan.
While protection from the sun is very important, Dr. Stampien feels that too much time indoors playing computer games and watching television, can lead to potential problems from lack of exposure to the sun. One must use good judgment and have balance as the potential exists for Vitamin D deficiency due to lack of sun exposure. This problem may be true for individuals who use too much protection or spend most of their day indoors due to occupation or poor health. Therefore, it will be the purpose of this column to discuss the importance of Vitamin D for health and wellness.
Vitamin D, a fat soluble vitamin, is found in food and can be made by your body after exposure to ultraviolet (UV) rays from the sun. The liver and kidney help convert Vitamin D to its active form. Vitamin D assists calcium absorption, which is essential for normal development and in forming and maintaining strong bones and teeth. Without Vitamin D, bones can become thin, brittle and soft. The classic Vitamin D deficiency diseases are rickets in children and osteomalacia in adults. Rickets results in skeletal deformities. Osteomalacia is the softening of bones. Vitamin D is essential for normal bone health and may diminish or prevent the onset of osteoporosis in the elderly.
The requirement for Vitamin D is dependent on age, sex, degree of sun exposure and the amount of pigmentation in the skin. Since Vitamin D can be produced by the body and retained for long periods of time by the body’s tissues, the precise daily requirement has been difficult to determine. Instead, an Adequate Intake (AI) level has been established. AI is a level of intake sufficient to maintain healthy blood levels of an active form of Vitamin D. The AIs are similar for males and females but increase with age:
Vitamin D deficiency can occur when dietary intake of Vitamin D is inadequate, when there is limited sunlight exposure, when the kidney cannot convert Vitamin D to its active form or when Vitamin D is inadequately absorbed from the gastrointestinal tract. Season, geographic location, time of day, cloud cover, air pollution, sunscreens, living indoors and living in cities where tall buildings block adequate sunlight from reaching the ground affect UV ray exposure. Individuals with limited sun exposure are at risk of Vitamin D deficiency. Homebound individuals, people living in northern latitudes (e.g. New England, Alaska), individuals who cover their bodies for religious reasons and people whose occupations prevent exposure to sunlight may need to supplement with Vitamin D.
Sunscreens with a sun protection factor of 8 or greater will block UV rays that produce Vitamin D. Older adults have a higher risk for Vitamin D deficiency because the skin’s ability to convert Vitamin D to its active form decreases with age and the kidneys, which help convert Vitamin D to its active form, do not work as well when people age. Individuals with pancreatic enzyme deficiency, Chron’s disease, cystic fibrosis, sprue, liver disease, surgical removal of part or all of the stomach or small bowel disease may need extra Vitamin D because Vitamin D is a fat soluble vitamin and they have reduced ability to absorb dietary fat. Vitamin D supplements are often recommended for exclusively breast-fed infants because human milk may not contain adequate Vitamin D. Consult with your pediatrician on this issue.
Read “Health & Exercise Forum” – Every Monday in the Scranton Times-Tribune.
This article is not intended as a substitute for medical treatment. If you have questions related to your medical condition, please contact your family physician. For further inquires related to this topic email: drpmackarey@msn.com
Paul J. Mackarey PT, DHSc, OCS is a Doctor in Health Sciences specializing in orthopaedic and sports physical therapy. Dr. Mackarey is in private practice and is an associate professor of clinical medicine at GCSOM.
For all of Dr. Mackarey's Articles visit: mackaryphysicaltherapy.com/forum
