The main advantage to not converting from the English system, or a system that is similar, is cost of conversion. A secondary reason for not converting is that a culture, such as in the U.S., can be rooted in the customary usage of feet, yards, quarts, miles, etc.he primary disadvantage of the English system of measurement is converting from one unit to another. It's not easy to go from feet to miles, pounds to ounces, or gallons to pints. A common example is trying to remember that a square mile is 640 acres.
During menopause, lower levels of estrogen have a big impact on your skin. Less estrogen makes you prone to thinning, sagging, and wrinkling. Fortunately, you can relieve some of the skin-related effects of aging by taking care of your specific skin care needs.
Sometimes, birth control pills help migraines. Sometimes, they make headaches worse. How birth control affects migraines depends on the woman and on the level of hormones present in the pill she takes. A drop in estrogen levels can trigger migraines. Thatâs why some women get headaches just before their period, which is when estrogen levels dip. If you have these menstrual migraines, birth control pills might help prevent your headaches by keeping your estrogen levels stable throughout the menstrual cycle.