Caffeine is a central nervous system stimulant that is commonly consumed to help people feel more alert and awake. It is found in a variety of sources, including coffee, tea, chocolate, and many types of soft drinks. Caffeine works by blocking the action of a neurotransmitter called adenosine, which is involved in promoting sleep. By …
Genetics is the study of genes and heredity. It is the science that investigates how traits, or characteristics, are passed from one generation to the next. Genes are the units of inheritance that are passed down from parents to their offspring. They are made up of DNA. A molecule that contains the instructions for the …
ADDICTION AND THE HUMAN BRAIN Addiction is a complex disorder that involves compulsive drug or behavior-seeking and uses, despite harmful consequences. It is a brain disease because it involves changes in the structure and function of the brain. When someone becomes addicted to a substance or behavior, their brain becomes reliant on it to feel …
Sleep is a natural state of rest that is essential for physical and mental well-being. During sleep, the body and brain are able to rest and repair themselves, which helps to maintain overall health and function. The average adult needs 7-9 hours of sleep per night, although the exact amount of sleep needed can vary …
WHAT IS OBESITY?? Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have an adverse effect on health. Obesity is typically defined as having a body mass index (BMI) of 30 or higher. BMI is a measure of body fat based on height and weight. Obesity …
Antibiotics are medications that are used to treat bacterial infections. They work by killing bacteria or inhibiting their growth, which helps to clear the infection and reduce symptoms. Antibiotics are typically used to treat infections that are caused by bacteria, such as pneumonia, bronchitis, and urinary tract infections. They are not effective against viruses, such …
The global outbreak of the COVID-19 pandemic The global outbreak of the COVID-19 pandemic has spread worldwide, affecting almost all countries and territories. The outbreak was first identified in December 2019 in Wuhan, China. Countries around the world cautioned the public to take responsive care. The public care strategies have included handwashing, wearing face masks, …
OVERVIEW This chapter is based on the critical discussion of the human immune deficiency virus spread throughout the UK. The reason behind disease continuation and contingency reasons along with its severe impacts on the mental health of the public having fear of getting a virus. HIV/AIDS The theory of social action is proposed by Max …
FOLLOW YOUR HEART BUT TAKE YOUR BRAIN WITH YOU… The heart is a vital organ located in the chest that is responsible for pumping blood throughout the body. The heart has four chambers: the left and right atria, and the left and right ventricles. The atria are the upper chambers of the heart, and the …
“Constipation is a common digestive issue that is characterized by infrequent or difficult bowel movements. It can cause discomfort, abdominal pain, and bloating.” Several factors can contribute to constipation. Including a lack of fiber in the diet, not getting enough physical activity, ignoring the urge to have a bowel movement, and certain medications. Constipation can …