WORLD HISTORY

Detailed explanation-1: -Environmental pollutants can cause health problems like respiratory diseases, heart disease, and some types of cancer. People with low incomes are more likely to live in polluted areas and have unsafe drinking water. And children and pregnant women are at higher risk of health problems related to pollution.

Detailed explanation-2: -A number of specific environmental issues can impede human health and wellness. These issues include chemical pollution, air pollution, climate change, disease-causing microbes, lack of access to health care, poor infrastructure, and poor water quality.

Detailed explanation-3: -Poor dietary habits, physical inactivity, smoking, alcohol overuse and chronic stress are major contributors to the development and progression of preventable chronic diseases. High blood pressure, high cholesterol and diabetes further increase risk for developing additional chronic illnesses.

Detailed explanation-4: -Other reasons included heart and liver disease and suicides. The drop in life expectancy would have been even greater if not for a bit of good news: decreases in deaths from chronic lung disease, pneumonia, influenza, and Alzheimer’s disease.