Signs of a stroke include dizziness, sudden weakness or numbness, loss of speech or trouble talking, severe headaches and a reduction or loss of vision.

CNN: Study: Low cholesterol is not enough to prevent stroke

Migraine with aura is a severe headache preceded by symptoms such as seeing flashing lights, temporary visual loss, speech problems or numbness of the face.

BBC: Epilepsy and migraine 'could have shared genetic link'

Should the parents tell their children: 60% of NFL players have had at least 1 concussion, 26% had 3 or more, collectively claiming loss of memory, concentration, and problems with speech, headaches, and other neurological issues?

FORBES: Connect

Labour leader Ed Miliband mocked the chancellor's failure to make any reference to Britain's loss of its Triple A rating with credit agencies during his hour long budget speech.

BBC: Budget 2013: George Osborne halves growth forecast but insists plan is working - BBC News