blood

"Simply being a man who has sex with men is not a good enough reason to exclude someone from donating blood."
Immunity in the UK is “waning quite rapidly”, a new study suggests. Here's what that means.
Climate change activists used a fire engine to spray red paint at the front of the Treasury. They did end up losing control of the hose but afterwards, stood atop the fire engine with a banner reading "Stop Funding Climate Death"
'Recent studies suggest that blood type O could be a potential risk factor for haemorrhage.'