Why is a man born averagely with a short life than a female?
360902
It is a combination of a number of things.\n\n1.  Men do engage in more risky activities especially in their teen years and young adulthood.\n2.  Men do adopt more dangerous occupations much more frequently than women.\n3.  Male babies are more susceptible to a variety of maladies including more frequent crib death.\n4.  Women's hormones have a protective effect on the cardiovascular system and only after women go through menopause are the protective effects are largely diminished.\n5.  Men do tend to carry the stresses of their lives alone rather than readily socializing and having a network of support.\n6.  The social role of men is to be THE provider.  Further men's identity is more wrapped in what they do for a living.   As a result men tend to take their careers more seriously as evidenced by working longer hours, competing for and accepting more promotions - it is hypothesized that this amounts to unhealthy behaviors of poor diet, high stress, and not seeking regular healthcare. \n7.  Men are more successful at committing suicide.  \n\nThe whole X, Y chromosome thing sounded fine but if this were the case we would see many diseases unique to men...it just simply is not the case.  Their are very few illnesses that are unique to men, other than things like prostate cancer.  It just does not hold water.  Look at the things men are dying of...it is not of exotic genetic deficiencies or diseases thereof.\n\nThe proof that these differences exist is easy to compute.  As of 2002, male life expectancy if born then in the U.S. is nearly five years less than a female's.
389803
no specific answer, but the previous one cannot be true, as if this were the case, over time men and women would be of the same height... traits have binary states, they either exist or they don't, so you could get either the height of your father or mother or someone else in your ancestory, no averaging.
474947
Males are normally taller than females period.
773953
about 40% in females, 70 % in males
267426
Gender difference are rooted in brains, and the physical difference is an extension of that. By brains I don't mean minds. The difference is an evolutionary one, the man does the physical-labor like bringing the food home, the woman does the mental-labor like cooking, caring for the children, and just talking with their sweet voice, which is sweeter than those of men in general. The man needs stress-relief, and the physical attributes and verbal sounds of the woman are the ultimate stress-relief to the man.
130631
In most countries, 105 boys are born for every 100 girls. The longer it takes for women to get pregnant, however, the higher the probability of a male birth. \n\nThere are a lot of other factors that influence the probability, some of which you can actually control to change the chances of a male or female birth (see reference).
723992
I think it varies for men and women...more common in men..no clue on the stats, look it up on the net.
33732
The basic differences in men and women are based on the XX or XY chromosomes... All babies in their mother's wombs begin the same, and the ultimate sex of the child is determined largly by receiving certain natural hormones at certain times.\n\nThe reason that men and women are similar in areas such as nipples is a reflection of that fact. Hope I was a help.
893742
There are more living women but more babies are born male. Nature's way to keep the balance. Men tend to die young.. from stupid stunts and war.
223189
Men are more likely to grow after 18 than ladies.
665000
Most of them take better care of themselves than men do!They eat better, don´t stress to much as we do, usually take their medicines when required.
572744
Females just naturally mature faster. I believe that this has to do with our responsibilities in producing and raising children, we are created to mature sooner in order to help the human race survive.
381820
In the United States there is a higher longevity for women than men.  Usually in the 70's.  But I have worked in a nursing home or 4 and some of the ladies there outlived their husbands by about 30 years or so. The eldest I ever worked with was 105.
1087768
How come women give birth and men can't? \nI think it's a fair trade off.
660577
I have been studying this question for many years and concluded the reason is that men cut their hair more often than women do! \nAnd I also observed that men have their hair cut shorter!!\nI have written a paper on this subject and I am expecting to hear from the 'Nobel prize' people very soon now!!\nHope this helps??
97075
hi i have always been told that for a female the best age to have a healthy child with less risks is from 21-28 yrs old and after a lady hits 30 more risks can occur for babies in pregnancy and during birth, i havent ever been told that a males age matters for having a healthy child, but a woman gives all her energy into her baby while carrying it so she has to be in a healthy state herself to have a better chance of a healthy baby.i have been told this by a Dr and friends.
51494
The average life span for males is 30,000 days which is about 84 years it you are lucky you live to be older.  but the average age for males is  20.4 years old