Lymphoid tissue: T-lymphocytes and the Thymus The thymus is a primary lymphoid organ found within the superior mediatinum, behind the upper part of the sternum. This organ is active in children, but at the start of puberty, until old age, it starts to atrophy, producing fewer T-cells.
2. Increased risk of infection. PROGRAF is a medicine that affects your immune system. Prograf can lower the ability of your immune system to fight infections. Serious infections can happen in people receiving Prograf that can cause death. Call your doctor right away if you have symptoms of an infection such as: 1  fever.2  sweats or chills.3  cough or flu-like symptoms. 4  muscle aches. 5  warm, red, or painful areas on your skin.erious infections can happen in people receiving Prograf that can cause death. Call your doctor right away if you have symptoms of an infection such as: 1  fever. 2  sweats or chills. 3  cough or flu-like symptoms. 4  muscle aches. 5  warm, red, or painful areas on your skin.
High protein diets can increase the risk of some types of cancer. Cancer risk is increased due to the lack of essential vitamins and antioxidants in the diet. Too much protein in the diet increases the risk of osteoporosis.High amounts of protein can cause the body to excrete calcium in the urine. High protein diets that rely on large amounts of animal protein can increase the risk of heart disease, due to higher cholesterol intake.slide 4 of 4.ancer risk is increased due to the lack of essential vitamins and antioxidants in the diet. Too much protein in the diet increases the risk of osteoporosis. High amounts of protein can cause the body to excrete calcium in the urine.