Ingrown Toenails Facts. An ingrown toenail, also known as onychocryptosis or unguis incarnatus, is a painful condition of the toe. It occurs when a sharp corner or edge of the toenail digs into the skin at the end of or side of the toe. Pain and inflammation at the spot where the nail curls into the skin occurs first.
1. Basic Requirements for Blood Donation. 1  Must be at least 18 years of age or 16 or 17 with written parental or guardian consent. 2  Weigh at least 115 pounds for whole blood donations or 110 pounds for platelet and plasma donations.. Basic Requirements for Blood Donation. 1  Must be at least 18 years of age or 16 or 17 with written parental or guardian consent. 2  Weigh at least 115 pounds for whole blood donations or 110 pounds for platelet and plasma donations.
Taking certain medications, including anticoagulants, will also make you ineligible to donate. Blood banks also require donors to weigh at least 110 pounds, and more in some cases. Minimum weight and height requirements are also typically imposed on younger adults and minors, who often require parental permission.