Nowaday, there are heaps of tips and diets to become healthy physically and mentally. There are so much of information that your don't know which to trust and it's a waste of time to try searching or clarifying wheither those are legit. Here are 19 facts about your body and health that will help you with your training and diets.
Though definitely gross, peeing in a pool may have seemed harmless enough. After all, urine is sterile, as is chlorine, right?
But it turns out, urine and chlorine create dangerous chemicals when combined. In fact, Dr. Xing-Fang Li of the University of Alberta—who conducted research on the topic published in the journal Environmental Science & Technology Letters—told NPR that that so-called “pool smell” is actually the smell of those chemicals. One of which, cyanogen chloride, is classified as a chemical warfare agent and can damage your heart and lungs. Other byproducts, called nitrosamines, can even cause cancer.
Just like chlorine and urine, stress and allergies do not mix well. Not only do allergies increase stress levels, but also stress can make allergies worse. This is because stress has a twofold effect on the body, according to Harvard Medical School. The first is psychological: When you’re stressed, things just seem worse than they actually are—allergies included. The second is physical: By ramping up the body’s defense responses, stress exhausts them to the degree that core bodily functions, like the ability to fight off allergens, lose efficacy.
Though researchers still don’t know why, plenty of studies dedicated to comparing the memory abilities of men and women consistently prove it to be true. According to one hypothesis found in a 2014 study published in The Quarterly Journal of Experimental Psychology, the difference could be due to varying brain structures, specifically that hippocampus in men (the part of the brain associated with memory) begins to decrease in volume faster than it does in women.
We all know that anxiety can make simple tasks harder, but did you know it affects your perception of smell, as well?
A 2013 study published in The Journal of Neuroscienceexamined the effect of certain emotions on smell. After exposing subjects to anxiety-inducing images—like car accidents, war, and other horrible things—researchers found that subjects interpreted scents that they’d previously considered neutral as unpleasant and smells that were already considered bad were much worse.
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Big eyes, meaning eyes that are longer from the front (cornea) to the back (retina), are more prone to nearsightedness. Also known as myopia, this condition that causes distant objects to look blurry is caused by light not properly reaching the retina. If your eyeball is particularly long, light is focused too soon before it hits the retina—and by the time it does reach the retina, the image is blurry, according to the National Eye Institute.
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Good news, coffee lovers: Caffeine might actually be helping you ward off depression. A 2016 meta-study on the relationship between coffee and depression published in the Australian and New Zealand Journal of Psychiatry found that each cup of caffeinated coffee consumed per day decreases someone’s risk of becoming depressed by 8 percent.
Eggs contain an amino acid called tyrosine, which the body synthesizes into norepinephrine and dopamine, compounds that increase energy, alertness, and improve mood. In a 2014 study published in the journal Neuropsychologia, researchers found that tyrosine enhances our ability to respond faster to stopping an unwanted activity.
It may sound counterintuitive, but drinking hot tea or coffee can actually help cool you down on a hot day. You may not feel it at first sip, because, naturally, the heat from the hot liquids will raise your body temperature. But once you start sweating, you’ll begin to feel the effects. That’s because of increased perspiration, according to a 2012 study from the University of Ottawa published in the journal Acta Physiologica. As your sweat evaporates, you’ll wind up feeling cooler than you were at the start.
“What we found is that when you ingest a hot drink, you actually have a disproportionate increase in the amount that you sweat,” one of the study’s authors, Ollie Jay, a researcher at the University of Ottawa’s School of Human Kinetics, told Smithsonian Magazine. “Yes, the hot drink is hotter than your body temperature, so you are adding heat to the body, but the amount that you increase your sweating by—if that can all evaporate—more than compensates for the added heat to the body from the fluid.”
Carnivores, beware. A 2006 study published in the journal Chemical Senses on how diet affects body odor found that consuming meat can have a huge effect on the “attractiveness” of our body odor.
Though diet is not the only factor that affects natural body odor, those who refrain from eating red meat were generally judged as smelling more pleasant, less intense, and more attractive overall.
An apple a day can keep your claustrophobia away. According to Dr. Alan Hirsch of the Smell & Taste Treatment and Research Center in Chicago, smelling a green apple can change your perception of space, making spaces feel larger than they really are. Hirsch conducted a 1995 study on the subject, which also found that cucumbers have a similar effect and that the smell of barbecue smoke has an opposite effect.
There are 206 bones in the human body. With 27 bones in each hand and 26 bones in each foot, these skeletal structures are the most complex, amounting to 106 bones total between all four limbs, according to the BBC.
Most drugstores have over-the-counter creams and oils that are made to fade scars, but there’s another remedy that doesn’t cost anything. Simply massaging or rubbing scarred areas a couple of times a day can prevent excess collagen buildup, which is what makes scars thick and ropy.
Brett Sears, PT, Cert. MDT suggests using “one or two fingers to massage your scar in a direction that is perpendicular to the line of the scar,” he wrote for Verywell Health. “This technique helps to remodel the scar and ensures that the collagen fibers of the scar are aligned properly.”
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Spending your mornings in the sun should be the first step to your weight loss plan. A 2014 study published in the journal PLoS One found that exposure to morning sunlight has a positive effect on body mass index (BMI). Just 20 to 30 minutes of natural light—even on a not-so-sunny day—is enough to impact BMI. That’s because, without sufficient light, the body may have trouble regulating metabolism, which can eventually cause weight gain.
Ginger has been used as a remedy for ages, dating back an estimated 5,000 years when people from China and India used ginger root to treat indigestion. Because it naturally relieves inflammation, ginger can relieve bloating and gas pains. According to 2015 research published in the journal Pain Medicine, ginger can also help treat menstrual cramps.
It’s long been said that you should exercise on an empty stomach, because your body will not be so tired from digesting, and therefore is able to send more oxygen to your muscles, ultimately promoting fat loss.
However, your body needs the energy you get from food to perform, especially when it comes to intense exercise (and triply so when it comes to heavy lifting). According to a 2018 meta-analysis published in the Scandinavian Journal of Medicine & Science in Sports, 54 percent of studies reported better performance in long-duration aerobic exercise when food was consumed beforehand.
Exercising is crucial to healthy body function at all ages, but is especially important for development during your youth. In fact, science has found that being active as a child and young adult can help you stay stronger later in life.
As children are developing, regular exercise can fortify bones, making them stronger, thicker, and ultimately more durable and ready to face the wear-and-tear that comes with age, according to a 2014 study published in the Scandinavian Journal of Medicine & Science in Sports. Because osteoporosis and the loss of bone mass happens to all of us as we mature, a history of exercise can ensure that you stay stronger for longer.
We all know high cholesterol can lead to life-threatening conditions like heart attack and heart disease. But you might not have known that high cholesterol can manifest itself on your skin. According to Harvard Medical School, uneven yellow patches called xanthelasma can appear on the eyelid and around the eyes as a result of overproduction of cholesterol, the waxy yellow substance that fills these lesions.
Generally, dark circles under your eyes can be avoided if you eat well, sleep well, and drink a lot of water. But many people don’t realize that another very common cause of under-eye bags is allergies, according to the Mayo Clinic.
Seasonal irritants—along with bedroom irritants, like dust—may be the root of the problem, so you should try taking an antihistamine before bed. And because anti-allergy medication often causes drowsiness, you’ll nod off to sleep faster as a bonus.
According to a 2003 study published in the Journal of Personality and Social Psychology, expressing gratitude may be the key to happiness. Researchers reported that in being thankful, you recognize the goodness in your life, which is crucial in overcoming depression. In fact, in their 2007 follow-up book on the subject, Thanks!: How the New Science of Gratitude Can Make You Happier, the researchers found that “regular grateful thinking can increase happiness by as much as 25 percent.”
Sounds like it’s time to start writing thank you notes, thanking friends, maintaining a gratitude journal, and counting your blessings.
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