What is air pollution? Air pollution, both in outdoor and indoor environments, refers to the presence of chemical, physical or [...]

What is a pandemic? A pandemic is defined as the spread of an infectious disease that extends across several [...]

What is it? Like grey matter, white matter is part of the central nervous system. It enables fast and [...]

What is public health? Public health is the set of activities undertaken by the government authorities (in partnership with society) [...]

What is the greenhouse effect? The greenhouse effect is a natural phenomenon that allows the Earth's temperature to be maintained [...]

What is prevalence? Prevalence is the proportion of people in a population who have a disease or health condition, [...]

What is it? Emerging diseases are those that appear for the first time in the human population or whose [...]

What are microplastics? Microplastics are solid plastic particles that are insoluble in water and measure less than five millimetres (<5 [...]

What is maternal immunisation? Maternal immunisation is a preventative strategy involving the vaccination of pregnant women to protect both [...]

What is an antibiotic? An antibiotic is a medicine used to treat infections caused by bacteria. It works by [...]

What is Dengue? Dengue is a viral disease transmitted by infected mosquitoes of the genus Aedes, common in tropical and [...]

What is active transport? Active transport is defined as the practice of travelling from one place to another through physical [...]