When the immune system attacks itself.
Answer:
The five things are below.
Explanation:
1. Health. Physical activity helps and improves your health, as it allows for good cardiovascular health, respiratory health, and many more.
2. Mobility. Physical activity helps and improves your mobility because it allows for your muscles to allows be broken down and fixed again, and it allows for your joints to be lubircated.
3. Mental health. Physical activity helps and improves your Mental health because exercise releases serotonin (the feel-good hormone). It also can help you get your mind off negative things.
4. Sleep. Physical activity helps and improves your sleep because when you exercise, you become tired. Allowing for a long and great sleep time (be sure not to exercise too hard before bed, as that can have the opposite effects).
5. Weight. Physical activity helps and improves your weight because it can help you lose weight. If you're struggling with weight loss, try to go on short walks every day, and you will see the weight drop.
(But be sure to have a good and healthy diet along with exercise).
Cerebral infarction – A stroke caused by interruption or blockage of blood flow to the brain; also called ischemic stroke. ... Ischemia – Inadequate circulation of blood generally due to a blockage of an artery. Ischemic stroke – A stroke caused by interruption or blockage of blood flow to the brain.
Answer:
The correct option is E: There is either no association or a negative association between the factor and the disease
Explanation:
Relative risk is a ratio that compares the risk of a health event between two groups. When the relative risk is 1, this means that the risk among the two groups are identical. When the relative risk is more than one, this means there is an increased risk for the exposed group. A risk ratio of less than 1, means that there is decreased exposure, which means negative association, which implies that exposure protect against the disease. Hence from the question, a value of relative risk less than or equal to one signifies no association or negative association.