1 Evaluate heart muscle function. 2  Determine the need for further treatment (such as an interventional procedure or bypass surgery). 3  At many hospitals, several interventional, or therapeutic, procedures to open blocked arteries are performed after the diagnostic part of the cardiac catheterization is complete.
Hereâs what she had to say: 1  Vitamin C is one of the biggest immune system boosters of all. 2  Vitamin B6 is vital to supporting biochemical reactions in the immune system.  Vitamin E is a powerful antioxidant that helps the body fight off infection.
Broccoli is another healthy food for boosting the immune system. Itâs full of vitamins, minerals and antioxidants, which prevent free radical damage to the body. The Cleveland Clinic states that pollution, excess exposure to sunlight and cigarette smoke all damage the immune system by releasing free radicals.