How to use insulin pens

An insulin pen is used to inject insulin for the treatment of diabetes, there are two types of pen: disposable and reusable.

How to use insulin pens
• Take new pen out of the refrigerator for 30 minutes before use.
• Check the type, strength and expiry date.
• Mix the insulin gently by rolling the pen between your palms.
• Remove the pen cap and attach new needle to the pen.
•Turn the dial to correct dose and inject.
•Wait for 9 seconds before removing the needle from the skin.
• Dispose the needle and replace the cap on the pen.
• Keep the opened insulin away from sunlight.

MRI scans can detect HIV in the brain

Scientists have discovered a way of using Magnetic Resonance Imaging MRI scans to detect when Human Immunodeficiency Virus HIV is persistent in the brain after several treatment.

Presence of diffuse white matter in the brain shows sign of abnormalities that is linked to cognitive problems can be increased by inflammation in the brain caused by HIV infection.

To confirm HIV infection in the brain, lumbar puncture is perform by inserting a needle into the back of the head to draw spinal fluid and test it for HIV.

MRI scans can diagnose patients with elevated risk of HIV related problem, drugs that cross the blood-brain barrier effectively can be used to control the infection.