Acne , we all know about acne
acne is a dermatology disease that spread into two parts
first its pimples
and second its white head and blackhead
but now we are talking about pimples for details
I'll not tell you for the whole things about pimples ( for the description )
you can search it true google , so back to topic
the first things that you can try is put the tooth paste at the top of the pimple leave it around 15 to 30 min and clean it with flow water
The second is , if you have wash your face every time and every where around 2 hours frequently and your pimples not go from your faces
remember when you go to some places your body will adapt to that place , same like your face , if you clean it so the oil will getting more and more
so the best things is decrease the amount of cleaning face a day around 2 - 3 times a day .
Don't ever you use the hard medication , your skin will be hard and rough after you use that things and if you don't use it again
the best tips is always use the nature as good as possible and the last eat more on antioxidants , vitamins and mineral ( fruits , veggie and of course supplements )
this tips if 100% clean and pure
miracle health
♥♥♥Wish all living things healthy and happy♥♥♥
miracle health
Friday, July 10, 2015
Wednesday, July 16, 2014
Human Chorionic Gonadotropin
The syncytiotrophoblast is responsible for producing a hormone called human chorionic gonadotropin (hCG). This hormone signals other parts of the female reproductive system that fertilization and implantation have occurred, so the uterine lining should continue to grow and develop (rather than being shed as menstruation). By the end of the second week of development, sufficient quantities of hCG are produced to be detected in a woman’s urine. The presence of hCG in urine indicates a woman is pregnant, and thus hCG is the basis for modern-day pregnancy tests. For the first 3 months of pregnancy, hCG levels remain high, but after that they decline. By this time, hCG is no longer needed because the placenta is producing its own hormones to maintain the pregnancy.
source :human anatomy
source :human anatomy
Chromosomal Abnormalities and Their Effect on the Blastocyst
Abnormalities in chromosome number, shape, or form occur regularly. These abnormalities can occur during gametogenesis, fertilization, or cleavage. If the chromosomal abnormalities are severe enough, they result in the spontaneous abortion (miscarriage) of the blastocyst or embryo. Many of these spontaneous abortions occur early in pregnancy (within 2 to 3 weeks after fertilization), so a woman often spontaneously aborts without realizing she was ever pregnant.
Some estimates propose that approximately 50% of all pregnancies terminate as a result of spontaneous abortion; perhaps half of these are caused by chromosomal abnormalities in the developing organism. As a consequence, fewer organisms are stillborn or born with severe congenital malformations (birth defects).
Thus, while 2–3% of all infants are born with some type of birth defect, this percentage would be much higher if not for the high frequency of spontaneous abortions very early in pregnancy.
source : human anatomy
Some estimates propose that approximately 50% of all pregnancies terminate as a result of spontaneous abortion; perhaps half of these are caused by chromosomal abnormalities in the developing organism. As a consequence, fewer organisms are stillborn or born with severe congenital malformations (birth defects).
Thus, while 2–3% of all infants are born with some type of birth defect, this percentage would be much higher if not for the high frequency of spontaneous abortions very early in pregnancy.
source : human anatomy
Cystic Fibrosis and Chloride Channels
The inherited disease cystic fibrosis (CF) involves defective plasma membrane proteins that affect chloride ion (Cl − ) channels in the membrane. These channels are transport proteins that use facilitated diffusion to move chloride ions across the plasma membrane. The genetic defect that causes CF results in the formation of abnormal chloride channel proteins in the membranes of cells lining the respiratory passageways and ducts in glands, such as the pancreas. The primary defect in these chloride channels results in an abnormal flow of chloride ions across the membrane, causing salt to be trapped within the cytoplasm of affected cells.
Ultimately, the normal osmotic flow of water across the plasma membrane breaks down. The concentration of salt within the cytoplasm of these cells causes an increase in the osmotic flow of water into the cell, thereby resulting in thickening of the mucus in the respiratory passageways and the pancreatic ducts. The aggregation of thickened mucus plugs the airways of the lungs, leading to breathing problems and increasing the risk of infection.
Therefore, a single genetic and biochemical defect in a transport protein produces significant health problems.
source : human anatomy
Tuesday, July 15, 2014
Hypertension: The “Silent Killer”
Hypertension is chronically elevated blood pressure, defined as a systolic pressure greater than 140 mm Hg and/or a diastolic pressure greater than 90 mm Hg. About 90–95% of all hypertension cases are essential hypertension, in which the cause is idiopathic (unknown).
Secondary hypertension accounts for the other 5–10% of cases, meaning that the high blood pressure is caused by another condition, usually renal disease or an adrenal gland tumor.
Hypertension has many serious effects on the body. It causes changes in the blood vessel walls, making them prone to further injury.
Increased damage makes the blood vessels more likely to develop atherosclerosis (see Clinical View: In Depth on page 708). In addition, hypertension causes undue stress on arterioles, resulting in thickening of the arteriole walls and reduction in luminal diameter, a condition called arteriolosclerosis. Furthermore, hypertension causes thickening of the renal arteries, leading to renal failure, and it can greatly damage the cerebral arteries, making them prone to rupture, which results in a fatal brain hemorrhage or stroke. Finally, hypertension is a major cause of heart failure owing to the extra workload placed on the heart.
Since hypertension is initially asymptomatic (meaning no noticeable symptoms are present), it has been dubbed the “silent killer.”
Everyone is encouraged to have their blood pressure checked early in life, and regularly, to make sure they are not suffering from hypertension. Mild hypertension may be controlled by losing weight, eating a healthy diet, exercising regularly, and not smoking. Stress is also associated with hypertension; thus, reducing stress, or learning to manage it, is important in treatment. In many instances, however, medication may be needed to control hypertension. Diuretics increase urine output, thereby reducing salt and water retention and consequently lowering blood volume. Beta-blockers slow the heart rate and lower heart output, while ACE (angiotensin-converting enzyme) inhibitors block angiotensin II (a protein that constricts arterioles), thereby increasing vasodilation.
source : human anatomy
Monday, July 14, 2014
Deep Vein Thrombosis
Deep vein thrombosis (throm-bō ′sis; a clotting) (DVT) refers to a thrombus,
which is a blood clot in a vein. The most common site for the thrombus is a vein in the calf (sural) region; the femoral region is another common site. The blood clot partially or completely blocks the flow of blood in the vein. DVT typically occurs in individuals with heart disease or those who are inactive or immobile for a long period of time, such as bedridden patients or those who have been immobilized in a cast. Even healthy individuals who have been on a long airline trip may develop DVT. In fact, DVT is sometimes called “economy class syndrome” in reference to the reduced amount of leg room in economy class seating on airlines.
DVT may also be a complication in pregnancy, where fluid accumulation in the legs and impingement of the fetus on the inferior vena cava may prevent efficient blood flow back to the heart. For inactive individuals, the leg muscles (e.g., gastrocnemius and soleus) do not contract as often and can’t help propel blood through the deep veins, thus allowing the blood to pool and potentially to clot. Initial signs of DVT include fever, tenderness and redness in the affected area, severe pain and swelling in the areas drained by the affected vein, and rapid heartbeat. A person experiencing these symptoms should seek immediate medical attention. The most serious complication of DVT is a pulmonary embolus (em′bō -lū s; a plug), in which a blood clot breaks free within the vein and travels through vessels to the lung, eventually blocking a branch of the pulmonary artery and potentially causing respiratory failure and death. If a DVT is diagnosed, the patient is given anticoagulation medication (such as low-molecular-weight heparin) to help prevent further clotting and break up the existing clot.
To reduce the risk for DVT, a person should maintain a healthy weight, stay active, and treat medical conditions that may increase the risk for DVT. On a long airline flight or car trip, stretching the legs and moving the feet frequently assist venous circulation in the legs.
Bedridden individuals may wear full-length compression stockings to assist circulation in the lower limbs.
Source : human anatomy
varicose veins
Varicose (var′i-kōs; varix = dilated vein) veins are dilated, tortuous (having many curves or twists) veins. The valves in these veins have become nonfunctional, causing blood to pool in one area and the vein to swell and bulge. Varicose veins are most common in the superficial veins of the lower limbs. They may be a result of genetic predisposition, aging, or some form of stress on the venous system that inhibits venous return (such as standing for long periods of time, obesity, or pregnancy). Varicose veins may become inflamed and painful, especially if fluid leaks from them into the tissues.
Symptoms of varicose veins may be alleviated by elevating the affected body part or wearing compression stockings (to promote blood movement in the lower limbs). In a procedure called sclerotherapy, an irritant is injected into small varicose veins to make them scar and seal off. Typically, a patient needs multiple sclerotherapy sessions before optimal results are seen. For larger varicose veins, an outpatient surgical procedure called stripping or vein removal (phlebectomy) is necessary.
These veins can be removed without affecting the circulation, since the blood may be shunted to other veins that are not varicose. Even after treatment, it is possible for varicose veins to recur.
Varicose veins in the anorectal region are called hemorrhoids (hem′ō -royd). Hemorrhoids occur due to increased intra-abdominal pressure, as when a person strains to have a bowel movement or is in labor during childbirth. Hemorrhoids may need to be surgically excised if they become too painful or bleed excessively.
source : human anatomy
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