Q After what age children can drink coffee?

Children under 12 are generally recommended to avoid caffeine or to limit its intake. Because, Caffeine is absorbed very quickly into the body and then passes into the central nervous system. In low doses caffeine can affect the body causing decreased appetite, increased urination, hyperactive behaviour and difficulty sleeping. The harmful effects may occur when a child consumes more than 4.5 mg of caffeine per pound of body weight.

Q What are the results of less secretions of thyroid in infants? What causes this?

Reduced secretion of thyroid hormone in infants can caused due to following factors: congenital absence of thyroid gland, disorder related to pituitary gland, problem related to thyroid gland and problems related to thyroid hormones. Severely low levels of thyroid hormones can result in retarded physical and mental growth.rnrn 

Q What are the kidneys?

Kidneys are bean shaped organ located at the back of abdominal cavity on either side of the spine. They receive their blood supply form the renal arteries and drain the blood into the renal veins. The urine form kidneys is excreted into the ureter on each side and is carried to the urinary bladder. The function of kidney is homoeostasis. It is achieved by elimination of waste products formed due to metabolism like urea, ammonia; maintenance of electrolyte balance, maintenance of acid-base balance, regulation of blood pressure, production of hormone like calcitrol, erythropoetin and enzyme renin, reabsorbtion of water, glucose and amino acids.

Q High lymphocytes means what.

An increase in lymphocyte concentration is usually a sign of a viral infection (in some rare case, leukemias are found through an abnormally raised lymphocyte count in an otherwise normal person).

Q My 1 year old baby is passing greenish stool after every 2 hours. I am afraid, what exactly I should do?

Your baby is suffering from enteritis which is causing diarrhea. This is quite common during the teething phase. Dehydration can cause many complications especially in an infant. So make sure that you keep giving him fluids in the form of ORS solutions available at all chemists. Since the child is passing stools so frequently, it would be prudent to visit a physician as soon as possible.

Q How contraceptive implant works?

Contraceptive implants contains synthetic version of the hormone progesterone which is released at slow rate. The released hormone provides contraception in following ways: stops ovulation, prevents sperms form meeting the egg by making cervical mucus thick and prevents implantation by making the lining of the uterus thin.rnrn 

Q I am suffering from knee pain?wht to do?

Knee pain has many causes like any injury, trauma, arthritis, any muscle or ligament tear, age factor, obesity, calcium deficiency etc. To rule out the cause, it is advised to consult the physician, because it may require physical examination. If it is unbearable, then you must take some medicines prescribed by the physician. Along with it, some preventive measures to get relief are - Take complete rest and protect an injured or sore area. When resting, place a small pillow under your knee. You can apply the ice or cold pack for 10 to 20 minutes, 3 or more times a day. Wear the lowest heel possible, because it may give pressure on the knee during walk. Maintain a healthy weight; it is one of the best things you can do for your knees. If the pain is very severe, you may need an surgical intervention depending on the cause and symptoms.

Q What is Schizophrenia?

Schizophrenia is a brain disorder that affects the way a person acts, thinks, and sees the world. People with schizophrenia have an altered perception of reality, often a significant loss of contact with reality. They may see or hear things that dont exist, speak in strange or confusing ways, believe that others are trying to harm them, or feel like theyre being constantly watched. With such a blurred line between the real and the imaginary, schizophrenia makes it difficult even frightening to negotiate the activities of daily life. In response, people with schizophrenia may withdraw from the outside world or act out in confusion and fear.

Q Hi, I sometimes get a "twinge" in my left chest, sort of in the crease of my breast. It doesnt happen after exertion but at any time, even at night in bed - Im scared theres something wrong with my heart.

Twinge or sudden sharp pain is very common presentation of chest pain and most of the times it is not related to heart. Very rarely this pain indicate coronary artery disease. Moreover since the pain is not related to exertion and comes anytime, it is less likely related to heart conditions. One probable cause for your pain could be indigestion. However it is advisable that you get yourself examined by your family physician once to rule out anything serious.

Q how to do anal sex? does it creat any problem?

Anal sex is practiced by many heterosexuals, as well as homosexual couples. The anal area has many erotic nerve endings in both men and women. Because of this, many couples (heterosexual or homosexual) can derive pleasure from some form of bottom stimulation. Anal sex should be avoided by couples in which one of the partners has been diagnosed with an STI until the treatment has proven to be effective. In order to make anal sex safer, the couple must ensure that the anal area is clean and the bowel empty and the partner on whom anal penetration occurs should be able to relax. Regardless of whether anal penetration occurs by using a finger or the penis, the condom is the best barrier method to prevent transmission of STI. Since the rectum can be easily damaged, the use of lubricants is highly recommended even when penetration occurs by using the finger. Especially for beginners, using a condom on the finger is both a protection measure against STI and a lubricant source. Most condoms are lubricated and they allow less painful and easier penetration. Anal stimulation with a sex toy requires similar safety measures to anal penetration with a penis, in this case using a condom on the sex toy in a similar way. It is important that the man washes and cleans his penis after anal intercourse if he intends to penetrate the vagina. Bacteria from the rectum are easily transferred to the vagina, which may cause vaginal infections. When anal-oral cos ntact occurs, protection is required since this is a risky sexual behavior in which illnesses as Hepatitis A or STIs can be easily transmitted, as well as enteric infections. The dental dam or the plastic wrap[citation needed] are effective protection means whenever anilingus is performed. Anal sex has a number of health risks. Anal intercourse is the riskiest form of sexual activity for several reasons, including the following: The anus lacks the natural lubrication the vagina has. Penetration can tear the tissue inside the anus, allowing bacteria and viruses to enter the bloodstream. This can result in the spread of sexually transmitted infections including HIV. Exposure to the human papillomavirus (HPV) may also lead to the development of anal warts and anal cancer. Using lubricants can help some, but doesnt completely prevent tearing. The tissue inside the anus is not as well protected as the skin outside theanus. Our external tissue has layers of dead cells that serve as a protective barrier against infection. The tissue inside the anus does not have this natural protection, which leaves it vulnerable to tearing and the spread of infection. The anus was designed to hold in feces. Repetitive anal sex may lead to weakening of the anal sphincter, making it difficult to hold in feces until you can get to the toilet. The anus is full of bacteria. Even if both partners do not have a sexually-transmitted infection or disease, bacteria normally in the anus can potentially infect the giving partner. Practicing vaginal sex after anal sex can also lead to vaginal and urinary tract infections.