Articles by Tamara Hew-Butler, DPM, PhD, FACSM

Dr. Tamara Hew-Butler is a podiatric physician and sports performance researcher. Her scientific work on hyponatremia and fluid balance has been highlighted in the New York Times, Washington Post, CNN, a comic strip (xkcd) and reality television show (Adam Ruins Everything).

IV Hydration: Science or Pseudoscience?

Andy Pasternak, MD MS Tamara Hew-Butler, DPM, PhD, FACSM
Oct/Nov 2025
Features

Congratulations! You just finished an ultra and are deservedly stiff, sore and exhausted. A perky person at the finish line, acknowledging your post-race waddle, hands you a business card complete with a cute name and fu...