Some people's bodies perceive pollen as harmful and react with symptoms like sneezing, runny nose, and tears.
Constipation occurs when a person has difficulty passing stool and can cause stomach pain, especially when trying to use the toilet.
Lyme disease is an illness that can be transmitted through the bite of a tick. It causes muscle pain, chills, fatigue, and fever.
Measles is a virus for which a vaccine exists. We should get vaccinated in order to avoid getting infected and protect those who cannot get a vaccine.
Insomnia is a sleep disorder that manifests in trouble falling asleep, not being able to sleep through the night and not achieving quality sleep.
The house is where most accidents happen, so we need to be very careful.
Each person with autism is different, but there are some behaviours that we can learn in order to better understand and interact with them.
Impetigo is a skin infection caused by bacteria. It results in red and yellow spots that cause itching.
An epileptic seizure happens when our brain neurons malfunction and discharge too much electricity.
The blood of the donors is analyzed before being used. After donating blood you need to replenish energy.
Hypothermia is a medical emergency that occurs when we get so cold that the body loses heat faster than it produces it.
When driving any type of vehicle, it's important not to go too fast and wear the necessary protection.
Hydrocution, commonly known as cold water shock, happens when the temperature difference between our warm body and cold water causes a thermal shock.
Lactose intolerant people should avoid drinking milk or eating its derivative foods, because their intestines become inflamed.
When we travel in a vehicle, our brain gets confused because we are still and moving at the same time. This confusion causes motion sickness.
Even though a blow to the head might seem mild, it can be dangerous in some cases. The brain could have been damaged.
Children who can't swim should wear a life jacket at the pool or the sea, as well as being supervised by an adult at all times.
Intestinal worms, also known as pinworms, are a type of parasyte that live in the intestine and provoke intense itching in the anus.
Gastroenteritis is an infection in the intestines. It's usually caused by a virus, making it contagious.
Urinary tract infection is an infection in the pee caused by bacteria.
Pneumonia is a lung infection caused by a virus or bacteria that causes cough, mucus, fever, lung pain and difficulty breathing.
If we ever get stung by a jellyfish, it's very important to clean the wound with salt water and remove the remaining tentacles with tweezers.
Nosebleed happens when our nose starts bleeding due to the breaking of the blood vessels located in the nose.
Tonsillitis happens when the tonsils become inflamed. It can be caused either by a virus or a bacteria.
Appendicitis is when the appendix, located in the lower right part of the abdomen, becomes inflamed.
Coronavirus is a respiratory virus that enters through the mouth and nose. Symptoms include cough, fever and muscular pain.
Braces are small metal pieces that are put on teeth to help move them into the correct position.
A check-up is when you go to the doctor just to make sure that you are healthy.
Nearsightedness is a common type of eye problem where close objects are seen clearly but far away objects are blurry.
Obesity is a disease that involves having an excessive amount of body fat.
The flu is a respiratory system infection (nose, throat, and lungs). It is caused by a virus that is easily spread from one person to another.
An animal bite can break, puncture, or scratch the skin. Animal bites that break the skin put you at risk for infections.
Celiac disease is an autoimmune disease that damages the lining of the small intestine. This damage comes from a reaction from eating gluten.
Swallowing an object is when you swallow something that is not meant to be eaten. The object enters the digestive system (esophagus, stomach, and intestine).
Diabetes is a disease in which glucose (sugar) levels in the blood are very high.
An allergy is your immune system's reaction to something that does not bother most other people.
Flat feet is when one or both feet have little or no arch. This can make it difficult to walk.
It's a type of burn that comes from electricity.
Pink eye is an inflammation or infection of the clear layer between the eyelid and the eyeball.
A deep cut is an injury where there is an external or internal break of tissue, usually the skin.
Pregnancy is the time when a baby grows in its mother's belly before it comes out into the world.
Asthma is a chronic disease that causes the lungs airways to narrow and swell. This makes it difficult to breath.
Bees usually sting people when they feel threatened. If a bee stings you, you will have an itchy and painful spot on your skin.
Bees usually sting people when they feel threatened. If a bee stings you, you will have an itchy and painful spot on your skin.
Lice are small insects that live on people's heads. Lice are parasites and need to feed on human blood to survive.
Accidental medication overdose is when you take too much medicine or a medicine that you are not supposed to take. Medication poisoning can have many serious health effects.
Heatstroke is caused by your body overheating when it is exposed to high temperatures for too long.
An ear infection is an inflammation of the ear, usually caused by an infection.
A vaccine stimulates your immune system to produce antibodies, exactly like it would if you were exposed to the disease.
A cavity is damage to the surface or enamel of a tooth. Cavaties happen when the bacteria in your mouth make acid that attacks tooth enamel. The acid eats the enamel and causes tiny holes in a tooth, these are called cavities.
A broken bone is the total or partial fracture of a bone. The most common causes of broken bones are accidents, hard falls, or sports-related injuries.
A burn is an injury to your skin caused by heat, chemicals, electricity, the sun, or radiation.
Chickenpox is an infection caused by an extremely contagious virus. It causes an itchy, spotty rash on the skin that later turns into fluid filled blisters.