Via recta ad vitam longam. Or, A plain philosophicall demonstration of the nature, faculties, and effects of all such things as by way of nourishments make for the preservation of health : with divers necessary dieteticall observations; as also of the true use and effects of sleep, exercise, excretions, and perturbations, with just applications to every age, constitution of body, and time of yeere. By To. Venner, Doctor of Physick in Bathe. Whereunto is annexed by the same author, a necessary and compendious treatise of the famous baths of Bathe, with a censure of the medicinable faculties of the water of Saint Vincent's rocks neere the city of Bristoll. As also an accurate treatise concerning tobacco.