Testing facilities that engage in animal testing dispose of both animals and dangerous chemicals, food waste, and a variety of supplies used during the testing process. Not to mention, animal testing has a heavy impact on water and air quality. Additionally, animal testing is cruel and ineffective. Animals don't get many of the diseases that humans do. For example, major types of heart disease, many types of cancer, HIV, Parkinson's disease, and schizophrenia. 100 million animals are killed each year due to animal testing.
They feel good about themselves.
They do not become overwhelmed by emotions, such as fear, anger, love, jealousy, guilt, or anxiety.
They have lasting and satisfying personal relationships.
They feel comfortable with other people.
They can laugh at themselves and with others.
This is how vaccines are used. You introduce the antibodies in a vaccine so the person builds up an immunity and never develops the disease
If i’m not wrong the main macronutrients are fats carbs and protein, i don’t know if that’s for teens but those are the main macros