A drug is any kind of substance that can cause a change in the physiology and psychology of a person when consumed. A drug user grows a tolerance as well as side effects of the drug but not at the same rate.
Drug tolerance can be defined as the reduced reaction of the drug in the body the person increases the dosage to re-amplify the effect of the drug. The drug tolerance remains for a long time till the body can sustain but later on, the side effects of consumption of overdose come into the picture, which brings drastic symptoms, which may even lead to death.
Exercise and moving in general typically puts force on bones the same way that a car puts force in its suspension. It compacts bones slightly and leads to new tissue (bone) growth, similar to how muscles grow.
Anxiety disorders are a group of mental disorders characterized by feelings of anxiety and fear, where anxiety is a worry about future events and fear is a reaction to current events.
The body's energy supply is met by the metabolism of glucose in cells using oxygen. The problem with Lucille's respiratory and circulatory system can make it difficult for her to take part in soccer game because the needed energy would not be available for her to participate in the game.