All About Adolescence. Adolescence describes the teenage years between 13 and 19 and can be considered the transitional stage from childhood to adulthood. However, the physical and psychological changes that occur in adolescence can start earlier, during the preteen or tween years (ages 9 through 12). Adolescence can be a time of both disorientation and discovery.
You get motion sickness when one part of your balance-sensing system (your inner ear, eyes, and sensory nerves) senses that your body is moving, but the other parts don't. For example, if you are in the cabin of a moving ship, your inner ear may sense the motion of waves, but your eyes don't see any movement.This conflict between the senses causes motion sickness. You may feel sick from the motion of cars, airplanes, trains, amusement park rides, or boats or ships.or example, if you are in the cabin of a moving ship, your inner ear may sense the motion of waves, but your eyes don't see any movement. This conflict between the senses causes motion sickness. You may feel sick from the motion of cars, airplanes, trains, amusement park rides, or boats or ships.
What Are the Symptoms of an Allergy? An allergy occurs when the bodyâs immune system sees a substance as harmful and overreacts to it. The symptoms that result are an allergic reaction. The substances that cause allergic reactions are allergens. Allergens can get into your body many ways to cause an allergic reaction. You can inhale allergens into your nose and your lungs. Many are small enough to float through the air. Examples are pollen, house dust, mold spores, cat and dog dander and latex dust. You can ingest allergens by mouth.