What is a controllable risk factor?

Following are few risk factors that can be controlled over a period of time:

An individual can prevent him/her self from a number of disease by improving their diet and quality of food they in take, as the number of common diseases are due to poor diet. balanced eating also helps a person to prevent blood pressure, obesity, high cholesterol etc. And lastly smoking, which is one of the vibrant factor  in causing of all the disease what might lead to death as well, but it can be controlled.

alzheimer's disease;

his week a heat wave will be hitting, and most of the country will be experiencing temperatures above average for july. due to humidity, the temperature outside can feel even warmer than it actually is. this adjusted temperature, often referred to as the “feels like” temperature is called the heat index. the chart shows the heat index, which is calculated based on temperature and relative humidity. use this chart to answer the following questions.