Before weight machines, stationary bikes, and step aerobics, people practiced yoga for spiritual and physical health. yoga's origins predate written history. archaeologists have found stone carvings that show figures in yoga positions. these stones, from the indus valley, are at least 5,000 years old! yoga can still contribute plenty to your weight loss program in the 21st century. which statement best describes the central idea of this paragraph? a. everyone should try yoga. b. yoga originated in the indus valley c. aerobics are always fast-paced. d. yoga promotes good health.