All posts by Aariz

What is Autism?

Autism is a neurodevelopment disorder which is also called as Autism Spectrum Disorder (ASD). A person with an ASD typically has difficulty with social and communication skills. It can also be identified by restrictive and repetitive behavior.



It has number of possible causes. Most prominent are Genetic and Environmental causes.

Genetic vulnerability
Children who have certain medical conditions like tuberous sclerosis, congenital rubella syndrome are more likely to have ASD.

Environmental Factors
Besides the genetic component, the other factor which places a major role of causing autism is environmental factors like exposure to toxins or illness during pregnancy.
Continue reading What is Autism?

Blood Donation and Compatibility – Part 3

Blood Compatibility

Everyone’s blood has a type; that is classified into the type of donor and type of receiver, according to the presence of certain markers(antigens) found on the red blood cells and the plasma. These antigens are the recognizing bodies. If a blood not acceptable to the body into which it is being transfused or accepted, the immune system regards it as a Foreign Body and reacts against it. That is why it is equally important to ensure that donors are giving compatible blood types to receivers.

A non-compatible blood may lead to blood clotting or clumping of red blood cells thus blocking the blood vessels.

Receive Blood From Donate Blood To Blood Type
 A+  A-  O+  O-  A+  AB+  A+
 O+  O-  O+  A+  B+  AB+  O+
 B+  B-  O+  O-  B+  AB+  B+
 Everyone  AB+  AB+
 A-  O-  A-  A+  AB+  AB-  A-
 O-  Everyone  O-
 B-  O-  B-  B+  AB+  AB-  B-
 AB-  A-  B-  O-  AB-  AB+  AB-