Willy Lewis, M.D.

Health & Medicine

Referral to a specialist: when and why this is necessary

Health & Medicine

Hair samples provide insight into Beethoven’s genetic make-up

Health & Medicine

Vitamin B12 preparations at Öko-Test: Most expensive preparation “insufficient”

Health & Medicine

10,000 steps a day? Sports expert advises a different rule

Health & Medicine

Fat and sweets change our brain

Health & Medicine

Can tap water go bad? When to be careful

Health & Medicine

Early detection of breast cancer: Here’s how you can take action

Health & Medicine

Cellular garbage disposal differs depending on the cell type