Americans gain 1-2 pounds on average during the holiday season.
Antibiotic resistance occurs when a bacteria, fungi, or parasite is no longer curable by medicines previously able to treat them.
Heart disease is the leading cause of death for men in the U.S., killing one in every four males.
The new finding was published in the scientific journal eLife.
The role of the new cell is to protect the body from parasitic infection.
How can you best protect yourself from the Zika virus?