why do i feel so clumsey...every so often i knock things over...such as a cup of coffee that im not even reaching for...i feel like my brain isnt functionin with my body...im always tierd...i keep gettin pins and needles in my finger tips...my left eye keeps drooping...my words keep getting slurred or even mixed up...ive gained weight and im gettin very forgetful which is makin me very aggitated...please help.