A new study reveals allergy risks from fish depend not just on species but also on the size of the fish and which part you ...

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more about them here.

A new study published in the Proceedings of the National Academy of Sciences suggests that rare cases of brain inflammation ...

PHILADELPHIA (WPVI) -- Local medical experts who spend their careers researching viruses and vaccines say we should expect a small number of people to have allergic reactions to the vaccine, but only ...

Medically reviewed by Erika Prouty, PharmD Garlic supplements and dietary garlic can have health benefits, and a few annoying ...

Allergic reactions from alpha-gal syndrome can be dangerous to one's physical health — even deadly. But for hunters who deal with fur and blood, the tick-borne disease can also be a blow to their ...

It used to be that the only way for people with food allergies to prevent a serious allergic reaction (like anaphylaxis) was to avoid that food completely. Unfortunately, even when a person does their ...

People who have serious allergies are often given a medicine called epinephrine to use during an emergency. Before 2024, all approved epinephrine products had to be injected into the body. Now there ...

After an allergic reaction sent Lucille Friesen to the hospital, she was afraid to leave the house. Here is her first person ...