The answer i believe it is would be spiritual
1. Scheduling -- people need medical care 24/7 , including nights and holidays
2. Cost of schooling -- no guarantee I'll find a job afterward
3. Cost of malpractice insurance -- some doctors retire or get other jobs to avoid the increasingly high cost of professional practice insurance
DNA contains the genetic code used to make proteins
It really depends on the STD. For example, Chlamydia can lie dormant in the body for many years causing a low grade infection without symptoms. And with Gonorrhea In males, symptoms usually appear two to seven days after infection but it can take as long as 30 days for symptoms to begin. Often, there are no symptoms for people infected with gonorrhea; 10 to 15 percent of men and about 80 percent of women may have no symptoms.
Cabinet, drawer, closet, garage, car etc