How old was the average man expected to live in 1750?

Do taller people have an advatage in the Hang Clean? What are the best practices for conducting physical cleaning to maintain the longevity and efficiency of electronic devices? Is excersing during mensturating bad? How does biking help your body? How do you stay healthy by by exercising? What muscles do you use when doing the cobra? If your pCO2 is 35 and your pH is 7.35 what would happen if you increase your respiratory rate? How can I effectively perform a glute push down exercise to target and strengthen my glute muscles? What are the examples of thorndike's law of exercise? If a weight lifter lifts a barbell and then sets it down is any work done? Where can one obtain a certification in yoga? Am 20 and i feel there is A looseness in my vaginae my boyfriend says that am not having a tight vaginae what do i do please help please suggest any exercise? Rubber Mats and Workplace Safety? What things increase oxygen in the bloodstream during exercise? What are the 7 muscle groups that are essential for overall strength and mobility? What is the average price range for a Proform treadmill? How can I effectively train on a treadmill for a half marathon? Why are weightlifting averages so low I am 17 years old 5'9 and about 175lbs and i bench 270 and squat and deadlift 450 I only lift occasionally with friends at school? People say you have to Atleast train abs 3 times a week for good results but when I train abs it usually get sore for days does it mean I can train it when its sore? Martial arts growth stunts?