Mitochondria are essential for brain function. In a Q&A, Dr. Elizabeth Jonas discusses what happens when they become damaged or dysfunctional.

I wish I'd said something.Advice Dear Abby: Total stranger just popped off at me over what it said on my t-shirt Published: Jun. 29, 2025, 6:00 a.m.

Yellowed white tees are, well, the pits. Follow this expert advice to bring back your shirts’ original brilliance.