What is Null Hypothesis and Why do we test them?
Introduction: What is null hypothesis The hypothesis we test statistically is called the null hypothesis. Let us take a conceptually simple example. Suppose we are […]
Month: September 2019
What is Home health care?
Introduction Around 15 percent of the world’s population, or an estimated 1 billion people, live with disabilities. In countries with life expectancies over 70 years, individuals […]
Tobacco and health
Tobacco: Introduction Tobacco is an agricultural crop, especially indigenous to the Americas but now grown across the world. It is most commonly used to make […]
Food born diseases
Introduction Access to sufficient amounts of safe and nutritious food is key to sustaining life and promoting good health. The term “food-borne disease” is defined […]
Cancer and nutritional factors
Introduction Cancer is the second leading cause of death globally and is responsible for an estimated 9.6 million deaths in 2018. Globally, about 1 in […]
Concept of prevention
Introduction The goals of medicine are to promote health, to preserve health, to restore health when it is impaired, and to minimize suffering and distress. […]
Assessment of dietary intake: Food Frequency Questionnaire (FFQ)
Introduction: Food Frequency Questionnaire (FFQ) Assessment of dietary intake can be estimated through the use of various tools, which differ depending on study objectives, […]
Food consumption: Dietary assessment methods
Introduction: Dietary assessment methods Dietary assessment methods can be estimated through the use of various tools, which differ depending on study objectives, design and […]