A new doctor’s first year of residency, also called the intern year, makes their DNA age six times faster than normal, according to a new study. The study also shows that the effect will be largest among those whose training programs demand the longest hours. The findings about the effect of residency focus on the stretch of DNA called telomeres—which keep the ends of chromosomes intact like the plastic end of shoelaces. The discovery that telomeres shrink in an accelerated w

They "enter the human body via the air, food, or skin contact." Some environmental pollutants begin their lives as common household items. A metal used in household wires or a compound used to treat furniture may seem innocuous, but over time these pollutants find their way into human bodies where they can extract lasting effects on health, happiness, and according to research released Wednesday in Environmental Science & Technology, how our bodies age from the inside out. Th

Several studies have shown that the chronic stress or a stress experienced over a prolonged period of time can contribute to long-term problems for heart and blood vessels. The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and blood pressure can make body lethargic and exhausted. This effect of stress on our health has been reiterated in many studies and we are quite familiar with it. The new studies on stress shows social isolation