cigarettes and sperm count The mutagenic effect of tobacco smoke on male fertility | Environmental Science Pollution Research Sperm concentration and semen volume

I cannot go on Monument Ave., Robert Leon Bacon wrote to the governor of Virginia in 1955, and visit a white girl for fear of being lynched or beaten up or arrested or electrocuted. Bacon called for colored people to rise up and demand our rights and first class privileges, as citizens should always have. Black Richmonders slowly won those rights in the following decades

But know this: anxiety and depression after quitting smoking are normal

A subset of AI where systems automatically learn and improve from experience without explicit programming

The neutron stars in these systems have strong magnetic fields, around 10^12 Gauss (similar to typical isolated pulsars)