SSC MTS EXAM

Detailed explanation-1: -However, while most people imagine medical advancements to be the reason for this increase, the largest gain in life expectancy occurred between 1880 and 1920 due to public health improvements such as control of infectious diseases, more abundant and safer foods, cleaner water, and other nonmedical social improvements.

Detailed explanation-2: -"The results were very clear. A higher number of modified healthy behaviors was directly associated with great longevity for both men and women.” The lifetime gains were highest for reducing alcohol intake, not smoking, losing weight, and increasing sleep, adding up to 6 years of life for healthy 40-year-olds.

Detailed explanation-3: -Significant factors in life expectancy include gender, genetics, access to health care, hygiene, diet and nutrition, exercise, lifestyle, and crime rates. Evidence-based studies indicate that longevity is based on two major factors, genetics, and lifestyle choices.