<span>The best answer would be letter D. Walking on the treadmill is easy but the hard part is being consistent with your routine in order to maintain cardiovascular health. As Bethany goes on walking on the treadmill, the activity becomes familiar which leads to boredom. She needs to explore other physical activities so that excitement and the interest will still be there.</span><span />
The use of extreme cold in surgery and other medical treatments
Opportunistic infections (OIs) are infections that occur more frequently and are more severe in individuals with weakened immune systems, including people with HIV. People are at greatest risk for OIs when their CD4 count falls below 200, but you can get some OIs when your CD4 count is below 500.
