A patient in his 50s underwent three cardiac catheterizations and had six stents placed in his coronary arteries, yet still felt heart discomfort after his surgery. The patient even felt chest pain when crossing the road. However, his surgery was a success—the stent was fully functional, and his aorta was also unobstructed. Later, it was…

L-citrulline is a non-essential amino acid produced in the liver and intestine. This means that the body can make its own citrulline; it can also be found in some foods (such as watermelon) and supplements (such as BalanceDocs Stamina). The body converts L-citrulline to L-arginine, another type of amino acid that improves blood flow and…