Jesper Bengtson
The lung cells your flu shot misses may hold the key to longer-lasting protection
Long-lived cells found deep in the lungs could reshape how nasal flu vaccines are built.
Low vitamin D may be weakening your muscles before it ever threatens your bones
A hospital study suggests weak muscles, not thin bones, best explain vitamin D's fracture link.
7 warning signs of an enlarged prostate most men write off as aging
About half of men in their 60s live with an enlarged prostate. Most write it off as aging.
How sourdough bread can affect your blood sugar and gut if you eat it daily
Long-fermented loaves reshape the bread's chemistry before it reaches your gut, but only if the sourdough is real.
The back brace millions rely on for chronic pain may not be doing what they think
A new Cochrane review found only very low quality evidence that lumbar supports ease chronic low back pain.
Your fitness tracker may be giving you the wrong calorie number after every workout
A new study finds four popular smartwatches missed calorie burn by 15 to 25 percent.