Seven Things Women Need to Know About Underwear Panties are underwear that touch the most sensitive flesh. Also, I rarely take off my clothes 24 hours a day. Recently, there are many colorful underwear such as T underwear and lace. However, underwear can also have an adverse effect on women's health. U.S. online media Bursle introduced seven things women need to know about panties. 1. Tight unde..