<span>More than 90 percent of those who have HIV get it from sexual activity or drug use. Using drugs might be contaminated by HIV virus because there are drugs who use injections. These syringe will be passed from one person to another which shares the same needle that can be a reason of transmitting the virus. Sexual activity is the most common and happens when the person you are interacting has HIV, then you will get it from that contaminated person.</span>
Biomechanics is the study of movement.
Eating habits for sure. Also metabolism and genetics play a big roll in it.
I think the answer is proactive
They may want to appear just as the way the bodies look in an advertisement. And if the bodies are unhealthy bodies in the advertisements then that would be a negative reaction to the advertisement.
