ScienceThe science of the human body, perception, learning, and behavior.
255 articlesFor most healthy adults, horror movies are not bad for mental health. Controlled fear in a safe setting can raise heart rate to 100-160 bpm and spike cortisol for 20-90 minutes, then return to baseline with no lasting harm.
Let's find outYes, graveyard shifts are unhealthy for most people, though the damage is dose-dependent rather than inevitable.
Let's find outYes, your eyes and nose are connected through a small, one-way drainage channel called the nasolacrimal duct, which runs from a tiny opening at the inner corner of each eyelid down into the nasal cavity's inferior meatus.
Let's find outNo, hazel eyes are not green, though they share green as one component.
Let's find outYes — eggs are a genuinely excellent protein source, but the reason is quality rather than quantity.
Let's find outYes, dark chocolate almonds can be good for you, but only under specific conditions: the chocolate must be 70% cacao or higher, the almonds should dominate the weight, and the portion must stay near 1 ounce (about 28 g) per day.
Let's find outEggs are not bad for the liver in most people. For a healthy adult, eating one egg a day has not been shown to cause liver damage, and the liver regulates cholesterol far more than dietary cholesterol does—about 80% of blood cholesterol is…
Let's find outYes, frozen vegetables are healthy. In most nutritional respects they match or beat fresh produce sold in supermarkets, because they are blanched and frozen within hours of harvest, which locks in vitamins, minerals and fiber before the…
Let's find outYes, eggs are good for anemia, but as a supporting food rather than a cure.
Let's find outYes, electrolytes are good for you during pregnancy, and your needs for sodium, potassium, magnesium, and calcium rise by roughly 10 to 30 percent because plasma volume expands 40 to 50 percent and the placenta and fetus draw steadily on…
Let's find outYes, farts are flammable. Human flatus contains hydrogen and methane in concentrations that can ignite when mixed with oxygen, typically above roughly 4 percent hydrogen by volume in air.
Let's find outYes, carbs are good for building muscle, but mostly indirectly: they fuel the training that triggers growth, spare protein from being burned for energy, and support the hormonal and cellular conditions under which muscle protein synthesis…
Let's find outYes, egg whites are dairy free. Egg whites contain zero milk, lactose, casein, or whey, and they are classified as a standalone allergen category from milk under both US and international labeling law.
Let's find outMost decongestants are not considered safe for routine use during pregnancy, and the risk depends heavily on the route: oral pseudoephedrine and phenylephrine carry the most concern, while nasal sprays and saline are generally preferred…
Let's find outMildly crooked toes are normal and extremely common: roughly 1 in 3 adults has at least one toe that deviates from straight, and most of these curves are harmless variants present since childhood or caused by years of narrow shoes.
Let's find outCollagen peptides are generally considered safe in pregnancy at food-level doses of 2.5 to 10 grams per day, and no major health authority has issued a pregnancy warning against them.
Let's find outYes, dates are a real but modest source of iron, not a powerhouse.
Let's find outYes, decline sit-ups are good—but conditionally. They are an effective, time-efficient way to load the rectus abdominis through a longer range of motion than a flat sit-up, increasing the demand on the upper and mid-abs by roughly 20 to 40…
Let's find outYes, cherries are generally safe and potentially beneficial in chronic kidney disease, but only within a portion that respects your potassium and fluid limits.
Let's find outYes, chia seeds are generally good for gout and uric acid control, with one condition: you must hydrate them fully and count their calories.
Let's find outAre cortisone shots bad? No — for most people they are safe and effective when used correctly.
Let's find outClub crackers are not a health food, but "healthy" depends entirely on dose and context: a standard serving of about 5 crackers (16 g) delivers roughly 80 calories, 4 g of fat, 2 g of protein, and a modest 160-190 mg of sodium, which fits…
Let's find outYes, corn tortillas are gluten free in their traditional form, provided they are made from 100 percent corn masa and have not been contaminated by wheat flour during milling, pressing, or cooking.
Let's find outYes, beech mushrooms (Hypsizygus tessellatus, sold as buna-shimeji or hon-shimeji) are good for you.
Let's find outThe goals of antiepileptic therapy are, in order: complete seizure freedom with no unacceptable adverse effects, protection against seizure-related injury and death (including sudden unexpected death in epilepsy, or SUDEP), restoration of…
Let's find outAre burpees the best exercise? No single movement is best for everyone, but burpees are arguably the most metabolically efficient bodyweight exercise per minute, burning roughly 10 to 15 calories per minute at a moderate pace of 8 to 12…
Let's find outBeans are not a direct trigger of acid reflux for most people, but they are a common indirect one.
Let's find outAttachment styles are not permanent. Longitudinal research shows roughly 60 to 70 percent of adults keep the same attachment style over years, while about 30 to 40 percent shift at least once, usually toward security.
Let's find outAntipsychotics for depression refers to using a second-generation antipsychotic, usually at low dose, as an add-on to an antidepressant when standard treatment alone has not worked.
Let's find outYes, almonds are low in carbs. A 1-ounce serving (about 23 kernels) contains 6.1 grams of total carbohydrate, of which 3.5 grams are fiber, leaving roughly 2.6 grams of net carbs.
Let's find outAntibiotics don't treat yeast infections because they target bacteria, not fungi.
Let's find outAntiplatelet medications are drugs that stop platelets from clumping together, preventing the clots that cause heart attacks and ischemic strokes.
Let's find outThe anatomy of body cavities describes two main compartments — the dorsal cavity (cranial and spinal) and the ventral cavity (thoracic, abdominal, and pelvic) — that house and protect the body's organs.
Let's find outMost women reach full physical maturity around age 18, but that single number hides the real answer.
Let's find outYes, bottle warmers are safe for breast milk when used to warm it gently to body temperature or below, and when the milk is not held at high heat for long periods.
Let's find outAre mashed potatoes actually good for weight loss? Yes, with two conditions: they must be prepared without added butter, cream, or cheese, and eaten in controlled portions.
Let's find outYes, the thumb is a finger in every technical sense: it is one of the five digits of the human hand, it grows from the same embryonic tissue, and it is built from the same three bone segments (phalanges) as your other four.
Let's find outAn MRI of the cerebellum is a magnetic resonance imaging scan that uses a strong magnetic field and radio waves, not radiation, to produce detailed pictures of the cerebellum, the fist-sized structure at the back of the brain that…
Let's find outAre keto pills safe for seniors? For most healthy adults over 65, occasional use of a single-ingredient ketone supplement is low-risk, but "keto pills" is a catch-all label covering three very different products with very different hazard…
Let's find outAre Braxton Hicks contractions bad or dangerous? No. In an uncomplicated pregnancy, Braxton Hicks contractions are a normal, harmless feature of the uterus preparing for labor, and they do not dilate the cervix or harm the baby.
Let's find outYes, personality disorders are real. They are recognized in two major diagnostic systems — the DSM-5-TR and the WHO's ICD-11 — as enduring patterns of inner experience and behavior that diverge from cultural expectations and cause…
Let's find outNo—eggs are not bad for most cancer patients, and in fact they are one of the most practical protein sources during treatment.
Let's find outYes, chin-ups are one of the most effective lat exercises available, because the latissimus dorsi acts as the primary shoulder extensor and adductor in every repetition.
Let's find outYes, grape tomatoes are low FODMAP in small servings of about 45 grams, or roughly three to four cherry-sized tomatoes, per the 2017 Monash University FODMAP guidelines that underpin most clinical advice.
Let's find outAn anomaly scan in pregnancy is a detailed mid-pregnancy ultrasound, usually performed between 18 and 22 weeks of gestation, that examines the baby's anatomy for structural abnormalities and confirms growth, placental position, and…
Let's find outYes, long arms are generally an advantage in boxing, but a conditional one.
Let's find outYes, facial expressions are part of sign language. In signed languages such as American Sign Language (ASL), the face, head, and upper body carry grammatical information that has no spoken equivalent: they mark sentence type, scope,…
Let's find outYes, benzodiazepines are depressants — specifically, central nervous system depressants that slow brain activity by boosting the inhibitory neurotransmitter GABA at roughly 40 percent of GABA-A receptor subtypes.
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