The journal
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Dr. Yusuf Karim

Medical advisor

Yusuf is a physician who reviews the health claims in this journal. He writes about the boundary between training guidance and medical advice, and when to see someone in person.

1 published article

Articles by Dr. Yusuf Karim

What twelve weeks of consistent training does to stress, sleep and mood

What twelve weeks of consistent training does to stress, sleep and mood

A realistic timeline of what changes and when — week one to week twelve — and which changes show up long before the mirror does.

7 min7/12/2026