IE 11 is not supported. For an optimal experience visit our site on another browser.
  • UP NEXT

    New call for first responders to carry blood on ambulances

    03:32
  • Potential new drug for menopause shows promise, study shows

    01:49
  • What women need to know about heart health and menopause

    04:10
  • How your gut health might be tied to a good night’s sleep

    04:23
  • Inside Rebecca Alexander’s Awareness Campaign for Usher Syndrome

    08:25
  • Sunscreens sold in US might not be most effective, group says

    02:56
  • Doctor debunks fitness myths around stretching, lifting and more

    05:16
  • Curb your sugar cravings with these healthier recipes

    05:25
  • Shop these doctor-recommended protections from the sun

    04:09
  • Hoda and Jenna praise Kelly Clarkson after weight loss comments

    02:28
  • Mindy Kaling and Ted Danson team up for psoriasis awareness

    06:58
  • Kelly Clarkson says weight loss is aided by prescription medication

    02:54
  • San Francisco could ban firefighters' uniforms over cancer risk

    02:51
  • Weight loss drugs help change stigmas around obesity

    03:19
  • 5 low-impact equipment-free moves for a full-body workout

    03:38
  • Steps to improve mental health, from sleep to managing stress

    04:21
  • Olivia Munn reveals hysterectomy, egg freezing amid cancer battle

    01:54
  • Wildfires in Canada spur air-quality alerts in some US states

    00:30
  • Women suing hair relaxing companies after cancer diagnoses

    03:57
  • Marine reunites with good Samaritan who saved his life

    04:55

Where Do We Get Vitamin D From?

00:42

NBC's Dr. Natalie Azar identifies the different sources of Vitamin D.