Question 1

do you know of holman's sign in medicine?

Accepted Answer

Homans Sign?: Homan's sign is an indicator of deep venous thrombosis. The sign is present where pain in the calf is produced by passive dorsiflexion of the foot.

Question 2

all human have sick?

Accepted Answer

Yes: Everybody has something. There are no perfect adults, and no perfect children. Sooner or later, everybody gets sick. Luckily, our bodies have miraculous self-healing powers, and we generally get well. For the unlucky ones among us... well, those don't make it. The lesson here is to do kind and meaningful things each day, while we are still in good health.

Question 3

why do human wants sex?

Accepted Answer

Simple evolution: In a village far, far away, and a long time ago, some humans wanted sex. Some humans didn't want sex. As the years went by, the humans who wanted sex got pregnant more often, had more children, and became the great majority of the population. The humans who didn't want sex didn't have many children, so those carrying the "don't want sex" trait became a smaller and smaller part of the population.

Question 4

can humans get heartworm?

Accepted Answer

Yes - rarely: “Pulmonary infection with D. immitis is an infrequently reported cause of lung disease in humans. Approximately 80 cases have been reported in the United States, with increasing numbers reported in recent years.”  See:  Human disease caused by dog heartworm. (http://www.ncbi.nlm.nih.gov/pubmed/1784039)

Question 5

how are humans waterproof?

Accepted Answer

Waterproof skin: The outer layer of skin (epidermis) contains a tough, water resistant protein called keratin. As well as a greasy sebum, secreted by sebaceous glands, has an anti-microbial effect, as does the wax secreted by the skin lining the outer ear cavity.

Question 6

can human height decrease?

Accepted Answer

Yes: As we age, there are changes that can occur to the skeleton, particularly the spine, which can lead to height loss.  Disc degeneration with arthritis can lead to loss of vertebral disc heights.  Osteoporotic spinal fractures can lead to vertebral bone heights. Spinal deformities, which can be related to the previously mentioned pathologies, can also lead to height loss.

Question 7

how can i reduce lh hormon?

Accepted Answer

Birth control pills: Leutinizing hormone (lh) and follical stimulating hormone (fsh) levels spike right in the middle (between periods) of your menstrual cycle. This spike causes your ovary to release an egg and also begins the process of building up the lining of your uterus in preparation for a fertilized egg to implant. Birth control pills prevent the mid-cycle spike in lh and fsh.

Question 8

can human cells live forever?

Accepted Answer

In a way: Forever is a long time, but cells can be made to turn off their natural cycles which would cause them to die sooner.  Cancer cells often develop this trait and thus outlive their host (temporarily).  Read the immortal life of henrietta lacks for a good layman's explanation of this process.

Question 9

could bugs feel pain like humans?

Accepted Answer

Yes: It has been shown that crustaceans, which are somewhat close to many insects on the evolutionary tree, have nociceptors, or neurons/receptors that sense pain. While we can not be sure if insects can sense pain, it is likely they have some primitive pain sensation.

Question 10

what is the best human eyesight 20/?

Accepted Answer

20/10: 20/20 is normal average vision but patients can see 20/15 or even 20/10 which are letters 1/2 the size of 20/20 letters.

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A member asked:

Do you know of holman's sign in medicine?

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All human have sick?

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Why do human wants sex?

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Can humans get heartworm?

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How are humans waterproof?

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Can human height decrease?

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How can i reduce lh hormon?

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Can human cells live forever?

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Could bugs feel pain like humans?

A member asked:

What is the best human eyesight 20/?

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