As to may muscle weakness problem...I have had numerous falls and a concusion - it is a blessing...God's was of reminding me - that as we grow older with our ackes and pains that we can still rejoice - as we look forward to a perfect body! WOW! Less I forget, During 2009, Helen under went two surgeries (carotid artery and gall blatter). Recently helen spent 4 day in the hosiptal because of an infection - never identified. As of now, Helen is doing great after 20 years of a stroke.