For when the body fails. The Buddha himself attended the sick.
The Buddha's first teaching after awakening — delivered at Sarnath to the five ascetics — laid out the diagnosis of suffering, its cause, its cessation, and the path that leads beyond it. Every later teaching is a commentary on these four.
Three characteristics belong to all conditioned phenomena: impermanence, unsatisfactoriness, and non-self. To see them clearly in one's own experience is the precondition of liberating insight.
The opening day of the vassa (rains-retreat) discourse series at Rajkiya Buddha Vihara, Lumbini — a teaching on the inner work of recovering from depression.