Cockroaches have two brains—one inside their skulls, and a second, more primitive brain that is back near their abdomen. Schweid says “Pheromones, chemical signals of sexual readiness, operate between a male and female cockroach to initiate courtship and copulation. What animals Cannot feel pain? Though it has been argued thatRead More →

There are no known side effects from an MRI scan. Patients with claustrophobia or anxiety may be given a sedative medicine to relax during the process and any medication can have side effects. Can MRI contrast make you feel weird? Side effects of gadolinium-based contrast agents are often mild. TheRead More →

It’s bigger and increasingly active by the end of the fourth month. But occasionally women feel movement as early as 12 weeks. If your friend is thin, extra perceptive, on a second or higher pregnancy, a bit off in their timing, or carrying a rambunctious baby, they may well beRead More →

When sudden cardiac arrest occurs, reduced blood flow to your brain causes unconsciousness. If your heart rhythm doesn’t rapidly return to normal, brain damage occurs and death results. Survivors of cardiac arrest might show signs of brain damage. Can cardiac arrest happen without pain? Shortness of breath can occur withRead More →

Fleas most often bite people around the legs and the ankles. The resulting red bump is an allergic reaction to flea saliva. The bites, which are usually but not always felt immediately, become increasingly irritated and may remain sore and/or itchy for as long as a week. What does fleaRead More →

The kneecap (patella) is a small triangular bone. It is just one of the many parts that make up the knee joint. Some of the other parts are muscles, ligaments, and leg bones. The kneecap provides leverage for your muscles as they bend and straighten the leg. How do youRead More →

But for some people, eating quinoa may cause stomachaches, itchy skin, hives, and other common symptoms of food allergies. The seed and its coating contain the compound saponin, which could cause these symptoms. Is quinoa an inflammatory? Quinoa is high in anti-inflammatory phytonutrients, which make it potentially beneficial for humanRead More →

1. unwelcome person – a person who for some reason is not wanted or welcome. persona non grata. individual, mortal, person, somebody, someone, soul – a human being; “there was too much for one person to do” disagreeable person, unpleasant person – a person who is not pleasant or agreeable.Read More →

Risk factors for anhedonia include a family history of schizophrenia, bipolar disorder, or major depression. Females are at a heightened risk of suffering from anhedonia. Other risk factors include eating disorders, a history of abuse and/or neglect, recent trauma and/or heightened stress, major illnesses, etc. How do you reverse anhedonia?Read More →

Seeing: Earthworms have no eyes, but they do have light receptors and can tell when they are in the dark, or in the light. … Hearing: Earthworms have no ears, but their bodies can sense the vibrations of animals moving nearby. Do worms survive being cut in half? If anRead More →