Ways society can be affected by stds or stis are sexual contact, and the mixing of bodily fluids such as blood, spit (in some stds or stis), sweat (only in some stds or stis), urine, etc.
D. habits and standards that shape how you live is your best answer
Lifestyle is the way you live your life, and the way you live your life is based off of your habits, standards, beliefs, decisions, etc.
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It might be D- which is A and B
Type 1 diabetes is often found in younger people. the biggest risk factor is someone in your biological family having diabetes type 1 in which you would get it genetically. one way that diabetes type 1 and 2 are different are the fact that type one is not cured but only maintained using insulin, while type two can be cured by changing your lifestyle and being more healthy.
hope this helped :)