Thymus Essentials. 1  The thymus gland, located behind your sternum and between your lungs, is only active until puberty. 2  After puberty, the thymus starts to slowly shrink and become replaced by fat. 3  Thymosin is the hormone of the thymus, and it stimulates the development of disease-fighting T cells.
Southwest Rapid Rewards. #3 in Best Airline Rewards Programs. The Southwest Rapid Rewards program is most beneficial for budget-minded travelers based in the United States who frequently fly to major cities around the U.S., Mexico and the Caribbean. Southwest offers more than 3,900 flights a day to more than 90 destinations.
Choose a different Discover card. â¡Cash back rewards - CitiÂ® Double Cash Card: 1% on purchases; 1% as you pay them. Capital One QuicksilverÂ® and Chase Freedom UnlimitedÂ®: 1.5% on all purchases. Bank Americard Cash Rewardsâ¢: 3% on gas and 2% on groceries & wholesale clubs up to a quarterly max; 1% on other purchases.