You can only claim the credit if you need your child to be in the pre-K program so that you can work or look for work. If you're married and filing a joint return, you and your spouse must both be working or job-hunting to claim the child-care credit.
TKD is a Targeted Ketogenic Diet. It's a modified version of the Standard Keto Diet (High fat, adequate protein, very low carb) where carbohydrates are consumed around exercise times. SKD will be fine for the vast majority of people, but if you find yourself hitting a wall in an intense workout, it can help out by giving you a bit of a glycemic 'boost' for the workout and promoting post-workout glycogen synthesis.
Tay-Sachs disease (TSD) is a fatal genetic disorder, most commonly occurring in children, that results in progressive destruction of the nervous system. Tay-Sachs is caused by the absence of a vital enzyme called hexosaminidase-A (Hex-A).s for the childhood form of Tay-Sachs, there is no cure. Treatment involves managing the symptoms of the disease. Defect in Hex-A Gene Causes Tay-Sachs: Tay-Sachs disease results from defects in a gene on chromosome 15 that codes for production of the enzyme Hex-A.