Wearers of these coloured ribbons are doing so to create public awareness of health conditions, disabilities and other social issues. If you're not aware what each colour represents, we'll explain it to you.

Photos: Twitter

The red ribbon represents AIDS/ HIV as well as Congenital Heart Defects, Evans Syndrome, Tuberculosis and Stroke.

Photos: Twitter

This one's seen quite a bit across the UK as it represents Breast cancer awareness.

Photos: Twitter

This one's seen quite a bit across the UK as it represents Breast cancer awareness.

Photos: Twitter

The Yellow Ribbon represents Bone Cancer and Bladder Cancer suffers everywhere. It also raises awareness for suicide prevention.

Photos: Twitter

This one raises awareness for suffers with ADHD and Crohn's.

Photos: Twitter

As with the previous colours, the green ribbon is used to represent and raise awareness for several illnesses including BiPolar Disorder, Cerebral Palsy and Leukemia among others.

Photos: Twitter

As with the previous colours, the green ribbon is used to represent and raise awareness for several illnesses including BiPolar Disorder, Cerebral Palsy and Leukemia among others.

Photos: Twitter

This ribbon raises awareness for Anti Bullying campaigns, but it also represents Food Allergy and Obsessive Compulsive Disorder (OCD)suffers across the world.

Photos: Twitter

This is the ribbon used to remember those lost during the terror attacks on September 11th 2001.

Photos: Twitter

Blue is used for Addiction Recovery awareness among other problems. Check out disabled-world.com for a complete list.

Photos: Twitter

The orange ribbon brings awareness to Kidney Cancer and Spinal Cancer.

Photos: Twitter

The orange ribbon brings awareness to Kidney Cancer and Spinal Cancer.

Photos: Twitter