What does it mean when your heel is numb?

What is course echo texture of the liver mean? Where is mylofibrosis placed in or among leukemia? What is the human nose composed of? Are great white sharks color blind? How do you seduce your narcissist if he's in a sex witholding phase and you feel cheated? What is a nipple pad? Why do women get cramps while on their period? How soon can you fall pregnant after having a d and c? What age is the cornea fully formed? Beta 0 thalassemia a nonsense mutation in man? How is celiac disease inherited? How can you distinguish a lytic phage from a temperate phage? Could you be pregnant if its been twenty seven days since your last period now i am spotting brown blood when i wipe? How do you cure episcleritis completely if using prednisolone and pred forte are not effective? A Snail Digestive System? When a tobacco user no logger uses tobacco the body no longer gets nicotine the user experiences are? First time retracting foreskin at 17? are there any risks when using a latex mattress? How do you a strand of hair? I have bumps on both sides of me spinal cord on the back of my head with a headache and upset stomach. They come up when I am under stress and last a week or so do I need to see a Dr about this?