The Blood-Brain Barrier: Structure, Function, and Associated Diseases

The blood-brain barrier is a membrane that separates the blood from the cerebrospinal fluid in the nervous system. It is made up of endothelial cells, which are connected by tight junctions, and helps to protect the brain from harmful substances in the blood while also regulating the environment of the brain.

5 Ways to Prevent a Heart Attack

This essay discusses heart attacks, their causes, and how they can be prevented. It explains that the most common cause of a heart attack is atherosclerosis, and lists other risk factors such as smoking, obesity, and diabetes. The essay concludes with information on how to prevent heart attacks through lifestyle changes and medical treatment.

The Negative Effects of Smoking

Smoking is a harmful bad habit that has many negative effects on the human body, the environment, and society as a whole. It is important to be aware of these effects and take steps to prevent smoking.

The Importance of Tobacco Control and Prevention

This essay discusses the global burden of tobacco-related death and disease, and the measures that can be taken to reduce it. The essay argues that government investment in tobacco control is woefully inadequate, and that this needs to be increased in order to make progress in reducing the burden of tobacco-related death and disease.

Smoking in Cars Should Be Banned

This essay argues that smoking in cars should be banned for the health hazards it poses to both children and adults. Secondhand smoke is carcinogenic and can cause a variety of respiratory illnesses, and children are especially vulnerable to its harmful effects. Even though there are those who argue that banning smoking in cars is an infringement on their personal freedoms, the fact remains that personal freedoms cannot always take precedence over public safety.