Vitamin D deficiency has been linked with rickets, cancer, cardiovascular disease, severe asthma in children and cognitive impairment in older adults. Causes include not ingesting enough of the vitamin over time, having limited exposure to sunlight, having dark skin, and obesity. Symptoms include bone pain and muscle weakness. Treatment for vitamin D deficiency involves obtaining more vitamin D through supplements, diet, or exposure to sunlight. Read more: Vitamin D Deficiency Article
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Prevention & Wellness
- No Proof Vitamin D Lowers Blood Pressure in Pregnancy: Study
- Could More Vitamin D Help Prevent Breast Cancer?
- Vitamin D Deficiency Could Be Lung Disease Risk
- Vitamin D May Guard Against Colon Cancer
- Vitamin D May Lower Miscarriage Risk
- Lower Vitamin D Levels Linked to More Belly Fat
- First Drug for Rare Form of Rickets Approved by FDA
- The Dynamic Duo: Calcium and Vitamin D
- Vitamin D3 May Benefit Heart Surgery Patients
- Lack of Vitamin D Can Sideline College Football Players
- Vitamin D Supplements May Make Arteries Healthier
- Seniors Don't Need Calcium, Vitamin D Supplements: Review
- When Treating Infertility, Vitamin D Levels May Be Key
- Could Fish Oil, Vitamin D Help Ease Lupus?
- Higher Doses of Vitamin D May Boost Preemies' Bone Health
- Exercise, Not Vitamin D, Recommended to Prevent Falls
- High-Dose Vitamin D May Not Curb Kids' Colds
- Could Your Office Job Rob You of Vitamin D?
- Many Americans May Be Taking Too Much Vitamin D
- Vitamin D Fails the Asthma Test
- Exercise and Vitamin D: A Heart-Healthy Combo
- Health Tip: How to Get Enough Vitamin D
- High-Dose Vitamin D Failed to Curb Heart Disease in Study
- High Doses of Vitamin D Fail to Cut Cancer Risk, Study Finds
- Many College Football Players Lack Vitamin D: Study
- Older Bones Benefit From Dairy Plus Vitamin D
- Don't Skip Veggies in Winter
- Vitamin D Pumps Up Muscles
- Vitamin D Linked to Lower Risk of Respiratory Infections
- Could Low Vitamin D Levels at Birth Mean Higher MS Risk?
- Vitamin D May Affect Breast Cancer Survival
- Low Vitamin D Levels May Raise Bladder Cancer Risk: Study
- Vitamin D Levels May Fall When Women Stop Taking Birth Control
- Vitamin Deficiencies Common in Young Migraine Sufferers
- Men Miss Out on Bone Loss Screening
- Tanning May Limit Skin's Ability to Produce Vitamin D: Study
- Vitamin D Boosts Heart Function in Study
- Vitamin D a No Go for Arthritic Knees, Study Finds
- Low Prenatal Vitamin D Linked to Later MS in Offspring
- Low Vitamin D Levels May Signal More Aggressive Prostate Cancer
- Vitamin D While Pregnant Won't Boost Most Infants' Bone Health, Study Says
- Prenatal Diet Rich in Vitamin D May Cut Allergy Risk in Kids: Study
- Prenatal Vitamin D Supplements May Not Lower Baby's Asthma Risk: Study
- Could Higher Vitamin D Doses Harm Seniors Prone to Falls?
- Could High-Dose Vitamin D Help Fight Multiple Sclerosis?
- When and Where of Weight-Loss Surgery May Affect Vitamin D Levels
- IBS Linked to Low Vitamin D
- Vitamin D Won't Guard Against Colds in People With Asthma
- Vitamin D Deficiency Might Be Tied to Erectile Dysfunction
- Scientists Pinpoint What Level of Vitamin D Promotes Heart Health
- Vitamin D, Calcium May Not Prevent Colon Cancer After All
- Too Little Vitamin D May Hasten Mental Decline
- Fewer Seniors Fall While Taking Vitamin D: Study
- Vitamin D Supplements Little Help for Obese Teens, Study Finds
- Vitamin D Supplements Won't Strengthen Older Women's Bones: Study
- Health Tip: Get Enough Vitamin D
- Vitamin D, Calcium Don't Reduce Menopause Symptoms
- Vitamin D Levels Tied to Survival in Seriously Ill Cats
- Vitamin D Supplements Might Help Some Lose Weight
- Little Risk of Vitamin D Toxicity, Study Says
- Exercise, But Not Vitamin D, Cuts Injuries From Falls in Older Women: Study
- Vitamin D Supplements Might Slow Prostate Cancer, Study Suggests
- Vitamin D Won't Help Fight High Blood Pressure, Researchers Say
- Low Levels of Vitamin D Linked to Type 2 Diabetes Risk
- Low Vitamin D Levels in Stroke Survivors a Bad Sign, Study Finds
- Low Vitamin D Levels in Childhood May Raise Heart Risks: Study
- Vitamin D May Boost Colon Cancer Survival, Study Finds
- Low Vitamin D Levels Linked to Risk of Preterm Birth in Study
- Low Levels of Vitamin D May Raise Early Death Risk: Study
- Health Tip: Think You're Getting Enough Calcium?
- Vitamin D May Not Prevent Return of Women's Infection After All
- Vitamin D Might Help Kids With Eczema
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- Women's Vitamin D Levels May Play Role in IVF Success
- Low Vitamin D Levels May Boost Alzheimer's Risk, Study Finds
- Low Vitamin D Levels Linked to High Blood Pressure
- Vitamin D: A Key to a Longer Life?
- Prom Isn't a Good Reason to Hit the Tanning Salon
- Vitamin D Supplements May Not Help Ease Asthma
- Vitamin D May Not Lower Seniors' Fall Risk
- Too Little Vitamin D May Add to Obesity's Burden
- Jury Still Out on Benefits of Vitamin D
- Vitamin D Deficiency May Be Linked to Heart Disease
- Low Vitamin D Could Up Risk for Birth Complication: Study
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- Vitamin D Supplements Don't Help Your Health: Review
- Vitamin D Levels Linked to Parkinson's Symptoms
- Vitamin D May Slow Multiple Sclerosis, Study Suggests
- Vitamin D Supplements May Help Ease Fibromyalgia Pain: Study
- Vitamin D Supplements Won't Help Prevent Disease: Review
- Vitamin D Deficiency Might Be Overdiagnosed in Blacks, Study Suggests
- Low Vitamin D Tied to Anemia Risk in Kids
- Study: Vitamin D Supplements May Not Raise Risk for Kidney Stones
- No Sign That Vitamin D Supplements Help Aging Bones: Study
- Vitamin D Alone Doesn't Boost Bone Health, Study Says
- Vitamin D Deficiency Often Seen in Traumatic Bone Breaks
- Calcium Plus Vitamin D Won't Cure Joint Pain, Study Finds
- Vitamin D Supplements Don't Lower Blood Pressure: Study
- Too Little Vitamin D May Hasten Disability as You Age
- Heart Dangers of Low Vitamin D Levels May Vary
- Women on Hormone Therapy May Benefit From Extra Calcium, Vitamin D
- Vitamin D Levels Vary by Season
- Extra Vitamin D May Ease Crohn's Symptoms, Study Finds
- Study Looks at Vitamin D Needs in Breast-Fed Babies
- Vitamin D May Help Prevent Uterine Fibroids
- Vitamin D Important During Pregnancy, Study Suggests
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- Healthy Older Women Advised Against Taking Calcium
- Women's Vitamin D Needs Don't Vary By Race, Study Finds
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- Vitamin D Loss Attributed to Obesity
- Vitamin D Doesn't Improve Knee Arthritis, Study Finds
- Low Vitamin D in Early Pregnancy Tied to Lower Birth Weight
- Low Vitamin D More Common in Overweight Kids
- Vitamin D Levels Linked to Daytime Sleepiness
- Vitamin D in Pregnancy May Be Key to Women's Risk for MS, Study Says
- Obese Children Struggle With Joint Pain: Study
- Health Issues Add to Risk of Vitamin D Deficiency, Study Says
- Millions May Be Taking Vitamin D Unnecessarily, Analysis Suggests
- Strike Vitamin D Off the List for Cold Prevention?
- Vitamin D in Pregnancy May Be Key for Baby's Brain
- Vitamin D in Pregnancy Critical for Brain Development, Study Says
- Vitamin D Supplements Won't Help Cholesterol Levels: Study
- Vitamin D May Thwart Kids' Winter Colds
- Calcium, Vitamin D Supplements May Pose Risks for Men With Prostate Cancer
- Vitamin D Deficiency Common in Sick Kids
- Low Vitamin D Levels May Raise Death Risk in Older Adults: Study
- Vitamin D May Delay Deterioration of Smokers' Lungs: Study
- Higher Doses of Vitamin D Prevent Fractures in Older Women
- Vitamin D Deficiency Linked to Depression
- Low Vitamin D Linked to Weight Gain in Older Women
- Could Sunlight Lower Your Odds for Pancreatic Cancer?
- Vitamin D With Calcium May Boost Survival
- Vitamin D and Calcium Pills: Task Force Report
- More Vitamin D Might Help Older People Stay Active
- Exercise, Vitamin D Can Lower Fall Risk in Elderly
- Japanese-American Men With Low Vitamin-D Diet Face Higher Stroke Risk
- Vitamin D May Affect Lung Transplant Success
- Vitamin D Doesn't Help Kids Do Better in School, Study Finds
- More Insight on Possible Role of Vitamin D Against Alzheimer's
- Vitamin D May Cut Stress Fracture Risk in Girls
- Lack of Vitamin D May Harm Older Women's Health
- Vitamin D May Ease Painful Periods
- Vitamin D May Not Boost Heart Health in Kidney Patients
- Low Vitamin D in Pregnancy Linked to Language Problems in Children
- Sunny Skies Linked to Lower Stroke Risk
- Study: Vitamin D Has No Clear Benefit for COPD Patients
- Too Much Vitamin D Could Be Harmful to Heart
- Low Levels of Vitamin D May Be Linked to Depression
- Are the Benefits of Vitamin D Overhyped?
- Tanning Booths Increase Risk of Most Common Skin Cancer
- Low Vitamin D May Raise Diabetes Risk in Kids
- Southerners May Be Less Likely to Have Crohn's
- Research Sheds Light on Vitamin D's Role in Immunity
- Pale People at Risk for Vitamin D Deficiency
- Low Vitamin D Levels Linked to Advanced Cancers
- Pregnant Women Don't Need Vitamin D Screening
- New Guidelines Suggest Higher Doses of Vitamin D
- Low Vitamin D Levels May Be Linked to MS
- Low Vitamin D at Birth Linked to Lung Infections
- Use of Dietary Supplements on the Rise
- Low Vitamin D Linked to Allergy Risk in Kids
- Women With MS More Likely to Have Gene Mutation
- Vitamin D May Improve Asthma Control
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