Which list includes only lifestyle factors that people can change to improve their health?

Write a journal at least 1 paragraph. in your mind, how do you define psychology right now? when do you think psychology began? what do you think modern psychologists do?

Epidemiology and health expenditure

What is one way that cold and flu viruses spread? a. by transfusing contaminated blood b. by inhaling contaminated droplets c. by eating contaminated meat d. by drinking contaminated water