Dr. Holick explains what the SPF numbers on sunscreen stand for.

What Do SPF Numbers Indicate? - Dr. Holick (VIDEO)

Dr. Holick describes the difference between a tan and a sunburn and shares that even those with a darker pigment can become sunburned.

What Is The Difference Between A Tan And A Burn? - Dr. Holick (VIDEO)

Dr. Holick explains the connection between child birth and vitamin D.

What Is The Relationship Between Vitamin D And Child Birth? - Dr. Holick (VIDEO)

Dr. Holick shares if the risk for heart failure increases if a woman is vitamin D deficient.

Is Vitamin D Deficiency A Risk Factor For Heart Failure? - Dr. Holick (VIDEO)

Dr. Holick explains if strokes can be triggered by a vitamin D deficiency.

Can A Vitamin D Deficiency Cause A Stroke? - Dr. Holick (VIDEO)

Dr. Holick explains whether wild or farm-raised salmon contains more vitamin D.

Which Type Of Salmon Contains The Most Vitamin D? - Dr. Holick (VIDEO)

Dr. Holick describes if there could be a possible association between vitamin D and Parkinson's disease.

Could There Be A Link Between Parkinson's Disease And Vitamin D? - Dr. Holick (VIDEO)

Dr. Holick describes the link between vitamin D and osteomalacia.

Osteomalacia And Vitamin D, What Is The Connection? - Dr. Holick (VIDEO)

Dr. Holick shares the many common misconceptions related to skin cancer.

What Are Common Misconceptions About Skin Cancer? - Dr. Holick (VIDEO)

Dr. Holick describes the only test that can indicate if a woman is vitamin D deficient.

Which Test Shows If A Woman Is Vitamin D Deficient? - Dr. Holick (VIDEO)

Dr. Holick explains if any doctor can perform a 25-hydroxy vitamin D test.

25-Hydroxy Vitamin D Test, Can Any Doctor Perform This? - Dr. Holick (VIDEO)

Dr. Holick explains how a woman's aches and pains may be related to a vitamin D deficiency.

Aches And Pains, Are They Related To Vitamin D Deficiency? - Dr. Holick (VIDEO)

Dr. Holick shares if a woman will receive enough vitamin D per day if she drinks milk.

Vitamin D, Do Women Get Enough By Drinking Milk? - Dr. Holick (VIDEO)

Dr. Holick recalls how vitamin D can affect a woman's immune system.

Vitamin D, How Does It Affect A Woman's Immune System? - Dr. Holick (VIDEO)

Dr. Holick explains what occurs when a woman is vitamin D deficient.

Vitamin D Deficiency, How Can This Affect A Woman? - Dr. Holick (VIDEO)

Dr. Holick discusses the long-term risk factors associated with inflammation.

Inflammation, What Long-Term Risk Factors Are Caused By This? - Dr. Holick (VIDEO)

Dr. Holick shares if a woman can overdose on vitamin D.

Vitamin D, Can Women Overdose On This? - Dr. Holick (VIDEO)

Dr. Holick explains how much vitamin D a woman should get per day.

Vitamin D, How Much Should A Woman Get Each Day? - Dr. Holick (VIDEO)

Dr. Holick describes if women should take vitamin D2 or vitamin D3 supplements.

Vitamin D2 Or D3 Supplements, Which Should Women Take? - Dr. Holick (VIDEO)

Dr. Holick explains the new research being conducted with vitamin D.

Vitamin D, What New Research Is Being Conducted? - Dr. Holick (VIDEO)

Dr. Holick describes when the human body makes vitamin D.

When Does The Body Make Vitamin D? - Dr. Holick (VIDEO)

Dr. Holick explains the connection between vitamin D intake and respiratory infections.

Respiratory Infections And Vitamin D, What Is The Connection? - Dr. Holick (VIDEO)

Dr. Holick describes if obese people need to consume more vitamin D per day.

Do Obese People Need More Vitamin D? - Dr. Holick (VIDEO)

Dr. Holick shares how much vitamin D adults should consume on an average day.

Vitamin D, How Much Should Adults Get Per Day? - Dr. Holick (VIDEO)

Dr. Holick explains if people living north of Georgia will be able to absorb enough vitamin D from the sun during the winter season.

Notherners, Do They Receive Enough Vitamin D From The Sun In The Wintertime? - Dr. Holick (VIDEO)

Dr. Holick explains how a woman's vitamin D intake is reduced by using SPF 15.

SPF 15, How Does It Reduce A Woman's Vitamin D Intake? - Dr. Holick (VIDEO)

Dr. Holick describes if mortality rates are higher for women who are vitamin D deficient.

Vitamin D Deficiency, Are Mortality Rates Higher For These Women? - Dr. Holick (VIDEO)

Dr. Holick shares the risks for infants who are not receiving enough vitamin D.

Vitamin D Deficiency, What Are The Risks For Infants? - Dr. Holick (VIDEO)

Dr. Holick explains if breast milk is a good source of vitamin D for infants.

Breast Milk, Is This A Good Source Of Vitamin D? - Dr. Holick (VIDEO)

Dr. Holick reveals if there are health benefits associated with indoor tanning.

Indoor Tanning, Are There Health Benefits? - Dr. Holick (VIDEO)

Dr. Holick describes how much sun is too much, increasing a woman's risk for skin cancer.

Sun Exposure, How Much Is Too Much? - Dr. Holick (VIDEO)

Dr. Holick explains how obesity and vitamin D are associated.

Obesity And Vitamin D, What Is The Connection? - Dr. Holick (VIDEO)

Dr. Holick introduces himself and shares how sun exposure can benefit women.

Sun Exposure, How Does It Benefit Women? - Dr. Holick (VIDEO)