primate research suggests that affiliation is a highly complex construct. studies of primate
affiliation demonstrate the need to distinguish between various affiliative behaviors, consider …

Modern science be} ins to understand pleasure as a potential component of salu to} enesis.
Thereby, pleasure is described as a state or feelin} of happiness and satisfaction resultin} …

Love is a complex neurobiological phenomenon, relying on trust, belief, pleasure and
reward activities within the brain, ie, limbic processes. These processes critically involve …

During the last two decades a variety of food protein fragments has been demonstrated to
elicit biological effects in various in vitro or in vivo test systems. A considerable part of these …

Initial confinement of opiate receptors to the nervous system has recently been broadened to
several other cell types. Based on the well established hypotensive effect of morphine, we …

The traditional view of opioids held that the individual opioid agonists shared the same
mechanism of action, differing only in their potency and pharmacokinetic properties …

The discovery of the ability of the nervous system to communicate through" public" circuits
with other systems of the body is attributed to Ernst and Berta Scharrer, who described the …

Opioids (exogenous opiates and endogenous opioid peptides) have a diversity of effects on
the immune system. Although numerous studies have shown that opioid-induced …

Abstract BACKGROUND AND OBJECTIVE: Stress is natural and belongs to life itself. To
sustain it and even grow with it biology invented different mechanisms, since stress …

It is now well accepted that endogenous morphine is present in animals, both in
invertebrates and vertebrates. It is a key signaling molecule that plays an important role in …