The cause of kitchen sink smells is often decomposing food in the garbage disposal or P-trap, but unless you're in the habit of dumping kitchen waste in the bathroom sink, smells from that drain usually come directly from the sewer. They occur because the drain vent is blocked and the P-trap has been drained.
Humanitarianism is a moral of kindness, benevolence, and sympathy extended to all human beings. Humanitarianism has been an evolving concept historically, but universality is a common theme in its evolution. No distinction is to be made on the grounds of gender, sexual orientation, race, caste, age, religion, ability, or nationality.
Medical ethics is a field that formally considers the morality (and potential problems thereof) of medical decision-making, and addresses: (1) The broad ethical principles that impact on patients, physicians and healthcare institutions; and. (2) The code of ethics of healthcare providers, first delineated in the Hippocratic oath. Landmark legal cases may delineate the boundaries of medical ethics, in particular those regarding autonomy and right-to-die.