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When Your Index Finger Is Longer Than Your Third Finger -- What It Means to Your Health Related Links 5 Cures for Sweaty Palms Itchy Palms - Causes and Top 7 Natural Remedies Why Are the Soles of My Feet Itching? Underarm Itching-Causes and Cures Are Beards a Danger to Your Health? Hangnails-7 Natural Remedies Anti-sebum-Natural Herbs That Help Do Women Smell Your Testosterone? Does Coca-Cola Affect Erections? How to Lower Your PSA Levels Naturally Herbs to Raise Your Testosterone Level Foods That Increase Erectile Performance Exercises to Improve ED Yoga to Strengthen Erectile Performance Yoga At Your Desk to Release Tension Foods That Help You Maintain Your Erection Normal Penis Size Get Lean Diet for Men What Does It Mean When Your Right Eye Jumps? - Causes and Cures December 7, 2017 By A. Weinberg, Contributing Columnist Unless you’re a hand model, you might not spend a whole lot of time examining your fingers and the relative differences between them. That’s probably healthy; you might have bigger fish to fry. However, you should know that looking at your fingers can reveal something more than the little bits of dirt underneath them you should probably remove eventually. (What? That doesn’t happen to you guys?) The lengths of your fingers can say a lot about your mental and physical state, even how attractive you are. But let’s not get ahead of ourselves. What is this 2D:4D business? Sounds like some scary math equation. Nope. The concept is pretty simple. “D” refers to digits and the numbers refer to which digit on your hand. You have five digits; yes we are counting the thumb. So “2D” is your index or first finger and “4D” is your ring or third finger. Ratio refers to a difference between two things; in this case the length of your first and third finger. Digit ratio has been shown to be a sexually dimorphic trait; the difference in lengths vary notably between male and female humans. The ratio stays constant and is influenced by prenatal androgen exposure in the fetus. So, if you have more (or less) testosterone as a developing critter in the womb, this will affect the 2D:4D ratio. Inversely, you can look at or measure your fingers and deduce whether your testosterone levels were high, average, or low. A fetus with more exposure to testosterone will have a lower digit ratio, and one with less will have a higher digit ratio. So, what exactly will some normal ratios be? First, you should know that a longer index finger will result in a ratio of higher than 1 while a longer ring finger will result in a ratio of less than 1. The 2nd digit is typically shorter in males and in females, while a difference of length of the 2 digits is greater in males than in females. In case you do end up getting your digits measured, I will pass on the average numbers. For males, a ratio of about 0.947 and for females about a ratio of 0.965. Do Finger Ratios Say Something About My Health? Let’s start with the bad news first. There are some negative side effects in having unusual digit ratios, in some cases. If you are male, but have a higher (or more traditionally feminine) digit ratio, you will probably be prone to having a lower sperm count, and an increased risk of heart disease, obesity and metabolic syndrome, according to a 2014 study by Bolaji Fatai Oyeyemi from the University of Ibadan in Nigeria. Testosterone can be protective. Being male with an odd digit ratio has even been correlated with autism in multiple experiments. In 2015, F. S. Al-Zaid and researchers from the College of Medicine in Riyadh, Saudi Arabia did a test on Saudi boys with autism. They examined 60 male children, 31 with classic onset autism and 29 as age-matched healthy controls. The fingers of the right hand were measured. In this case, however, the low digit ratio was the culprit. Significantly lower 2D:4D ratios were present in those with autism, indicating that the boys may have been exposed to high levels of prenatal fetal testosterone. Next: here’s a downer for everybody. Higher digit ratios for males, females, and anyone in-between have a correlation with eating disorders, anxiety, and depression, according to a 2013 report by J.T. Manning from Swansea University. What Superpowers Would This Give Me? The good news is that weird digit ratios don’t just throw you off, on the health spectrum. Sometimes they give you some positive traits. A low digit ratio may be correlated with autism. But it also gives better arithmetic, visual, and spatial skills, according to a 2016 report by Prathibha K. Muthu from the Saveetha Medical College and Hospital in India. Math and spatial skills are two abilities any human needs to survive, so that would be to your advantage. Now, if you’re female, having a lower 2D:4D ratio could make you more assertive, if E. Hampson’s 2012 article “androgen receptor polymorphism and the 2D:4D digit ratio” is to be believed. I would say assertiveness is a great personality trait to have, regardless of gender. This is a matter of opinion, though. However, if you are already male-bodied, a lower 2D:4D ratio may make you aggressive. Not so great, unless you really need that for your line of work. But that’s good news for the ladies, anyway. Could This Affect My Attractiveness? Yes, attractiveness, like personality traits, are also subjective. However, if a large number of people find you appealing physically, this could up your chances to reproduce, which is our body’s biological mandate. Yeah, not the sexiest way to describe it, but if we are talking about health and survival, perceived desirability is always to your advantage. The jury is out on studies for the ladies, but for guys, science has found a thing or two. More than one study has confirmed that a lower 2D:4D ratio on the right hand of men was correlated to attractiveness. In a 2009 study, 273 men were recruited at a university and assessed for physical attractiveness by women. Findings suggested that women may be partially attracted to men because of a relative level of prenatal androgen exposure. So, women who are attracted to men like their dudes more traditionally manly. That is pretty intuitive. How Would I Even Measure This? If you are like me, you are a curious cat who wants to know your own ratio. However, finger measuring is something you probably need to do with a scientist or doctor. One measurement device is called digital vernier calipers. The length of the index finger and ring finger is measured from the fingertip to the midpoint to the basal crease on the ventral surface of the hand. Usually 2 or more measurements are taken to ensure reliability. The mean of the multiple measurements is then taken. There is controversy over whether the right hand is a more accurate indicator or if both are equal. Yeah, unfortunately, you can’t use a tape measure. Some other methods could involve x-rays or photocopies, but you would need to ask a doctor or someone in the medical profession how to go about the whole procedure. In the meantime, you can check out your fingers and notice if there is a marked difference in their lengths. And remove any of that dirt that might be lurking there, while you’re at it. If you like this article, you might also like: 10 Superfoods for Men's Health Foods That Strengthen Erectile Performance Low Testosterone?-Foods to Eat and Foods to Avoid Normal Penis Size Bad Bed Habits That Turn Her Off Eating Soy Reduces Sperm Count Whey Versus Creatine -Which One Is Better? Why Asian Men Don't Get As Much Prostate Cancer |
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