After working for about a year in and around the ER I've been preaching to all the women that I know that they really need to start a strength training program. Increased muscle mass raises your metabolism and increases your insulin sensitivity so if you have a family history of obesity or diabetes you should definitely start putting on some lean muscle mass now while you're young. Strength training has also been shown to reduce the risk of osteoporosis and even increase bone density is those already diagnosed with osteoporosis. This time of year I see dozens of women in their forties and fifties with broken wrists or shoulders from slipping on ice when it should have only resulted in some bruises. This is the result of decades of a sedentary life style and a culture that encourages women to be skinny rather than strong. If you want to be healthy and active later in life then spend less time on the treadmill and spend some more time in the squat rack. Are their any women here who strength train? Anyone intimidated to start a strength program because of cultural factors?