Abstract The ages of the oldest and most metal-poor stars in Milky Way bear important information on age universe its standard model. We analyze a sample 28 extremely field solar vicinity culled from literature carefully determine their ages. To this aim, we critically make use Gaia data to derive distances associated uncertainties. Particular attention has been paid estimate reddening effect d...

Determination of the human heart biological age (BA) is relevant for timely stratification risk developing diseases, prevention, control individual aging rate and geroprotective therapy. Aim. To study age-related changes in echocardiographic examination to develop a formula estimating BA heart. Materials methods. Echocardiographic examinations were performed 188 practically healthy people aged ...