Some sunscreens contain tiny nanoparticles that may be detrimental to health. English ivy produces nanoparticles that may make a safer sunscreen.
Aldosterone is a hormone that affects blood pressure. Excess aldosterone can cause high blood pressure and low aldosterone can result in low blood pressure.
The respiratory system is an amazing and intricate network of tubes and sacs. Here are some surprising facts related to breathing, gas exchange, and sneezing.
The Madagascar periwinkle contains vinblastine and vincristine, which are used in cancer chemotherapy. Velvet beans contain L-dopa, a chemical used to treat Parkinson's disease.
Corticosteroids reduce inflammation and also suppress the immune system in autoimmune diseases and organ transplants. They are useful drugs but have side effects.
Hiccups are caused by many factors. They are annoying but usually harmless. Sometimes they are more serious, however. Home remedies or medical treatment may help.
Conch shells come from large sea snails and are used as wind instruments. The shells are played at ceremonies and in jazz and produce a loud and eerie sound.
The digestive or GI tract breaks down food so that it can be absorbed into the bloodstream. Some tract disorders are GERD, peptic ulcers, celiac disease and colitis.
Cholesterol has vital jobs in our bodies. Excess LDL cholesterol is bad; HDL cholesterol is good. Our diet helps to control the ratio between the two forms.
Telomeres protect the ends of chromosomes. Telomerase is an enzyme that stops telomeres from shortening. They may both play a role in cancer and aging.
Mucus has vital functions, such as trapping germs in air passages and protecting the stomach lining from an acid attack. Excess mucus can cause health problems.
Aspirin relieves inflammation by inhibiting the COX-2 enzyme. It also inhibits the COX-1 enzyme, which may result in stomach irritation and bleeding problems.
A frugal lifestyle can still be enjoyable. Even when you're trying to save money, there are many free or inexpensive activities that you can do for fun.
Saving money for a major purchase like a car is perfectly possible. There are many ways in which you can save money on a daily basis to reach your goal.
There are many different forms of walking. They range from gentle to demanding. Walking can build fitness and improve health and mood. It's also fun.
Digitalis from foxgloves is used to treat atrial fibrillation and congestive heart failure. Taxol from yew trees is used as an anti-cancer drug.
The pancreas makes digestive enzymes and essential hormones. Pancreatic disorders include inflammation, known as pancreatitis, and type 1 and type 2 diabetes.
Music has the ability to awaken forgotten memories and the emotions associated with these memories. This may be very helpful for people with dementia.
The gallbladder stores bile, which helps fat digestion take place. Gallstones are solid lumps in bile that can cause a lot of pain when they enter bile ducts.
Dogs can enjoy Christmas with their family, but safety should always be kept in mind. Human celebrations often involve dangers for pets.
Bioluminescence is a process in which living things produce light. The light is used for communication, for attracting other organisms, or for defence.
This is a fantasy about how the plants and animals in a garden deal with a very rainy day and lots of water. I also share some facts about the real animals.
Gibbons are athletic, tree-dwelling apes with long arms and a wide variety of loud vocalizations. Many gibbon species are endangered due to human activities.
Lymphocytes are a vital type of white blood cell in our body. Their job is to fight infections. T, B, and natural killer or NK cells are all lymphocytes.
A hopeful attitude is a wonderful attribute. This article expresses some thoughts about the meaning and nature of hope. It also contains quotes and a poem.
The thymus gland is part of our immune system. T cells mature in this gland. Thymus gland or T cell problems are involved in myasthenia gravis and AIDS.
Silverfish are shiny, wingless insects that wriggle rapidly over the ground. They are nocturnal animals that feed on starches and can be destructive house pests.
Chloroform can act an anesthetic, but it’s toxic and causes serious health problems. There are ways to limit our exposure to the chloroform in the environment.
Epidemic typhus is caused by bacteria in contaminated lice feces that enters the body via bites. Murine typhus bacteria enter the body in flea feces.
Cockroaches are fascinating insects. A few species are pests and can transmit microbes that cause disease. One species is kept as a pet. Cockroach robots may be useful in the future.
Jaundice is characterized by yellow skin due to excess bilirubin in the body, or hyperbilirubinemia. The color may indicate the presence of a major health problem.
Most adults have the Epstein-Barr virus in their bodies. The virus is either dormant or active. It causes mononucleosis, some cancers, and perhaps other diseases.
Urine can have many colors, ranging from black to colorless. A change in pee appearance may be unimportant or may indicate a serious health problem.
Blood platelets help blood to clot after an injury. A low platelet count caused by faulty platelet manufacture or platelet destruction may result in bleeding.
Nutrient deficiencies or an unhealthy lifestyle can cause memory problems. Eating specific nutrients and following a healthy lifestyle may improve memory, however.
Proteins in the body have essential jobs. They enable us to move, transport materials and signals, control chemical reactions, stop bleeding, and fight infections.
Hippopotamus skin secretes a thick red liquid that acts as a sunscreen and is antibacterial. Scientists hope to make a human sunscreen based on “hippo sweat.”
Solanine is found in green potatoes and other nightshade vegetables. It's poisonous at high concentrations. Some people say that nightshades make their arthritis worse.
A bacterium named Helicobacter pylori lives inside the stomach of many people and can cause ulcers and pain. The bacterium resists the body's defence system.
In someone with an anemia disorder, there are either not enough red blood cells in the blood or the cells contain abnormal hemoglobin. Symptoms range from mild to severe.
Leonbergers have a reputation for being gentle giants. They are intelligent, friendly and playful dogs that are loving pets and loyal to their families.
The deadly nightshade plant, or belladonna, is extremely poisonous. It contains atropine, which is potentially dangerous but has important medical uses.
Quinine is a bitter chemical from the cinchona tree. It’s a good treatment for malaria but can produce side effects. Some people use it to treat leg cramps.