Your body doesn't store vitamin C, so you need to consume it every day. One serving of grapefruit is half of a medium grapefruit, which is 4 inches in diameter. Each serving contains 44 milligrams of vitamin C, which is 73 percent of the daily value of 60 milligrams for people following a 2,000-calorie diet.
Nadir. In cancer treatment, nadir commonly refers to the lowest point that an individual's blood cell count will reach as a side effect of chemotherapy or radiation therapy. The nadir for each blood cell type occurs at different times.
The tipping point is the critical point in an evolving situation that leads to a new and irreversible development. The term is said to have originated in the field of epidemiology when an infectious disease reaches a point beyond any local ability to control it from spreading more widely.