Q How does aids kill cells in immune system?

The AIDS is caused by the virus HIV, which attacks the CD4 cell (T-cells) of the immune system. Because, CD4 cells have a specific protein for the HIV. The HIV also affects other cells like B cells and macrophages which are the main part of the immune system. Thus, limiting the action of the immunity of the affected individual. Due to decreased immunity, the individual is prone to any infection leading to further decline in the health status of the individual. In most of the cases, the individual dies due to some other infection to the AIDS patient.

Q I am feeling weekness from past 2-3 days

Excessive physical exertion, excessive mental stress, prolonged lack of sleep, viral infection are some of the probable causes of weakness. Take adequate rest, follow well balanced diet, stay well hydrated, if you are overly stressed, try and find the cause and work towards improving it. Consultation with your physician will be necessary if the weakness is not relieved in few days or you develop any other symptoms.

Q I want to know about fistula.

A fistula is an abnormal connection between an organ, vessel, or intestine and another structure. Fistulas are usually the result of injury or surgery. It can also result from infection or inflammation. often occur in the area around the genitals and anus (known as the perineum). It is connection between two body cavities eg. rectum and vagina. The symptom vary with the location of fistula.

Q How fast are calories absorbed?

The calories absorption depends on the physical and mental well being of the person. It also depends on the age, sex, occupation, environmental factors etc. It varies from person to person. Some one doing heavy physical work spend the calories early than other one who does relax work in the office.

Q Causes for itching after sex?

One of the reason can be that you are allergic to latex condom. Other reasons include rough sex, fungal infection, vaginitis, vaginal irritation, due to menopause because of less lubrication. Consult your doctor to know exact cause and corresponding treatment.

Q My penis bleeding during sex and its hurts. my age 31

You seem to have injured yourself during the act. Please visit a physician to determine the cause and further management. Meantime maintain hygiene, avoid sexual intercourse to allow healing process, wear cotton underwear.

Q What can i do if my child is overweight?

Overweight children are more likely to grow up into overweight adults, so your concern for raised weight of child is appropriate. It is usually better that the child maintains their current weight while they continue to grow in height. Making changes to your family~s lifestyle can make a real difference to your child~s weight. Eat regular meals, together as a first step towards a healthier diet. Use homemade food rather than relying on ready-made meals to help you to lower the fat and sugar content in your meals. Avoid the diet like snacks and meals that are high in fat or sugar, such as chocolate, biscuits, sweets and fizzy drinks, and aim to replace these with healthier alternatives such as fruits. Exercise is helpful to burn extra calories in your child. Kindly focus on light exercises done by your child like standing up, moving around, walking at a slow pace and less energetic play. Also active play (such as hide and seek and stuck in the mud), fast walking, riding a bike, dancing, swimming, climbing, skipping rope, gymnastics are helpful depending upon the age.

Q Can you please educate me ..What is an orgasm?

Orgasm is sudden discharge of sexual tension accumulated during a sexual act characterised by sexual pleasure. In humans orgasm is achieved by physical stimulation of the penis in males and stimulation of clitoris in females. A men is said to experience orgasm when he ejaculates semen. In females orgasm is without any external ejaculation. A women can experience multiple orgasm during a single sexual act. Where as in males it is mostly single and followed by a refractory period.

Q Can stress cause weigh gain? How is stress related to weight gain? How to prevent it?

Yes stress is the major cause for weight gain! People turn to food for comfort whenever they feel stressed and tend to overeat. To make it worse, often we choose junk food. So, one, we eat unnecessarily without being hungry and two, junk food means much more added calories than needed.n Over a period, the caloric imbalance leads to weight gain and eventually elevates risk of diseases such as hypertension, diabetes, and heart disease.n Now that you know, choose healthy alternatives like an apple or roasted almonds next time you feel stressed and are tempted to eat!n Moreover, try alternate ways like going for a walk or dancing to the tunes of some soothing music. This will not only relieve stress but will give bonus benefit by burning excess calories.

Q whar is the meaning of ESR

The erythrocyte sedimentation rate (ESR), also called a sedimentation rate or Westergren ESR, is the rate at which red blood cells sediment in a period of one hour. The ESR is increased by any cause or focus of inflammation. The ESR is increased in pregnancy, inflammation, anemia or rheumatoid arthritis, and decreased in polycythemia, sickle cell anemia, hereditary spherocytosis, and congestive heart failure.