Willy Lewis, M.D.

Health & Medicine

Vitamin D deficiency: symptoms, causes and what helps

Health & Medicine

Does chicken soup really help against colds?

Health & Medicine

Mulled wine to warm up: This is why this is not a good idea

Health & Medicine

Diarrhea during your period? Reasons and what you can do

Health & Medicine

Find the right yoga mat for you: yoga teacher gives tips

Health & Medicine

Laxative tea: How to use it correctly

Health & Medicine

Sleeping with wet hair: good or bad for hair and health?

Health & Medicine

Inner crowd effect: This allows you to make better decisions