If you have low self esteem it has a negative effect on health. They are more likely than their peers to use drugs, drop out of school, become pregnant, and suffer from eating disorders.
The benefits of a healthy self-esteem are many. Children who have high self-esteem come to value themselves and think of themselves as worthy partners and capable problem solvers. They develop a healthy balance of liking who they are, but also recognizing that there are ways they can continue to grow and to develop.
If you have a high self esteem it has a positive effect on health. You are more likely to set goals, ask help when needed, and bounce back quickly from setbacks and disappointments. If you have low self esteem it has a negative effect on health.
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 a soccer game because the needed energy would not be available for her to participate in the game.
I would clarify to her that it is her decision, and hers alone. If she is truly worried she might fall as a victim to the disease and has the money to afford the testing that she should most definitely go through with the testing