Don't smoke and especially do not drink, (as well as stay away from chemicals, pollution, pesticides) it may cause learning disabilities and abnormalities in the baby.
Answer:
they probably don't have anything better to do.
The talk test is a one of the easiest ways to monitor your exercise
intensity. You don't need any equipment, like a heart rate monitor.
All you really need is the ability to talk and breathe.
Whether you can do both at the same time is where your intensity comes in.
The third option. Long period of uninterrupted low or moderate intensity physical activity.
Answer:
in your 20s
Explanation: Changes include maximum bone mass. Your body reaches its peak bone mass in your 20s.