Answer: Bipolar disorder
Explanation:
Bipolar disorder is a mental condition in which affects the moods of the individual. It swings from one mood to another.
This condition is known as manic depression. There are many symptoms of bipolar disorder. The person might not feel like sleeping for some days but after few weeks he might sleep more.
Symptoms are: episodes of depression, feeling very high, overactive. It can lasts for several weeks or days.
I dont get this question...
Answer: Aerobic Heart Rate Zone
This is the zone to aim for when training for endurance. It spurs your body to improve your circulatory system by building new blood vessels and increases your heart and lung capacity. Aiming for 20 to 60 minutes in this zone is believed to give the best fitness training benefits.
Exercise and not to smoke or be around second hand smoke. But exercise is probably the more important thing you can do to protect your respiratory system.