[Solved] Who may need a nutrient supplement and why? List examples of valid reasons for taking supplements. Protection: Measures or actions taken to keep something safe from harm, damage, or injury. Online Pornography Exposure: The experience of encountering sexually explicit material on the internet, which can have various psychological effects. Erectile Problems: Refers to the difficulty in achieving or maintaining an erection that is firm enough for sexual activity. Sexual Desire: A natural feeling of wanting to engage in sexual activities.