What if instead of temporarily relieving your allergies with medication, you could train your immune system to stop overreacting to your allergens altogether? That’s the idea behind allergy ...

Vitamin B12 is an essential vitamin, and low levels are linked to obesity. B12 shots could improve fatigue if you have a deficiency, but there’s not much research on them as a weight loss treatment.

A combination shot for flu and COVID-19 using messenger RNA generated antibodies in a study, but U.S. government regulators want to see data on whether the new vaccine protects people from getting ...