Wondering how to tell if a TB test is positive or negative? Find out if you belong to the at-risk group, and learn how to prepare for the skin test. View Full Article...

Normal urinalysis results can be observed from appearance, pH, specific gravity, protein, etc. See the implications of abnormal results and how to prepare for a urinalysis. View Full Article...

Wonder the best place to take temperature? If you want more accurate readings, choose oral and rectal measurements. Choose the place to take temperature based on your child's age. View Full Article...

Can you drink coffee before blood tests? It depends, and you should not take coffee before a blood test that needs fasting. Learn more about what to do before a blood test. View Full Article...

Why can’t I eat before surgery? Fasting can prevent complications such as aspiration pneumonia. You should also do aerobic exercises and other 6 things before surgery! View Full Article...

If you had a positive pregnancy test then negative, chemical pregnancy, incorrect test, etc. can be causes. But you may be pregnant after a negative result. View Full Article...

Can ultrasound detect cancer? Ultrasound can detect abnormalities indicating cancer in breast, liver, etc., but a definite diagnosis requires further tests like CT or MRI scan. View Full Article...

A positive TB skin test means that one has been exposed to TB germs. But it can be false positive due to factors such as BCG vaccination or gets TB tests regularly. View Full Article...

Spit test for candida may not be reliable. If you suspect you have an overgrowth of Candida yeast, seek medical advice. Read for other ways to detect overgrowth of Candida. View Full Article...

Does a spinal tap hurt? Discomfort is common during the spinal tap procedure and levels of pain vary among people. Knowledge of the procedure may help you cope with the pain well. View Full Article...