A Quote by Peter C. Doherty

The need to deal with pathogens has driven the evolution of the vertebrate immune system, so it should not be surprising that experiments with infectious agents have often illuminated key elements of the underlying mechanisms.
I got interested in palaeontology and vertebrate history - sparked by books on human evolution - then vertebrate evolution. Studying with palaeontologists kindled my interest in fieldwork.
When you vaccinate someone, or when you get infected, the microbe is presenting itself to the immune system in a way that the immune system recognizes the important elements of the microbe and makes an immune response, both an antibody response and a cellular response, to ultimately contain the microbe.
An immune system of enormous complexity is present in all vertebrate animals. When we place a population of lymphocytes from such an animal in appropriate tissue culture fluid, and when we add an antigen, the lymphocytes will produce specific antibody molecules, in the absense of any nerve cells. I find it astonishing that the immune system embodies a degree of complexity which suggests some more or less superficial though striking analogies with human language, and that this cognitive system has evolved and functions without assistance of the brain.
To manipulate the immune system, you need to find the key bottlenecks that govern the system. The T-cell is an absolute bottleneck.
Nitric oxide production by immune cells is one of the key mechanisms that our bodies use to destroy diseased cells. Enhancement of these types of immune responses is seen consistently with many medicinal mushrooms that have been tested by cancer researchers.
Laughter is very infectious, and why it should be so is a most interesting neurological problem. But it also has other, more physiological, benefits. Apparently it boosts the immune system, reduces stress hormones, massages the heart and diaphragm and engenders a 'feel good' factor.
war with poison and chemicals was not so rare in the ancient world ... An astounding panoply of toxic substances, venomous creatures, poison plants, animals and insects, deleterious environments, virulent pathogens, infectious agents, noxious gases, and combustible chemicals were marshalled to defeat foes - and panoply is an apt term here, because it is the ancient Greek word for 'all weapons.
Whenever the immune system deals successfully with an infection, it emerges from the experience stronger and better able to confront similar threats in the future. Our immune system develops in combat. If, at the first sign of infection, you always jump in with antibiotics, you do not give the immune system a chance to grow stronger.
I think there should be very strict limits on the pathogens that can be sold in your meat. There should be limits on disease-causing pathogens. Tests should determine whether the meat is contaminated or not, and you shouldn't be allowed to sell contaminated meat.
My own personal view is that vaccines are unsafe and worthless. I will not allow myself to be vaccinated again. .....The bottom line is that infectious diseases are least likely to affect (and to kill) those who have healthy immune systems. I no longer believe that vaccines have any role to play in the protection of the community or the individual. Vaccines may be profitable but, in my view, they are neither safe nor effective. I prefer to put my trust in building up my immune system.
The difference between destruction of the immune system and stimulation of the immune system is an interpretation.
We can be exposed to HIV many times without being chronically infected. Our immune system will get rid of the virus within a few weeks, if you have a good immune system.
It is astounding how much the immune system is strengthened by reducing daily mental stress levels with either visualization or meditation. The other great tonic for the immune system is love—loving ourselves as well as others.
Any international system must have two key elements for it to work. One, it has to have a certain equilibrium of power that makes overthrowing the system difficult and costly. Secondly, it has to have a sense of legitimacy.
When you're happy, your immune system is at its strongest point. And when you think negatively, or when you hate, or allow yourself to grow emotionally out of control, you are weakening your immune system.
BRICS should be driven by 'People to People' contact. It should explore developing innovative mechanisms of Youth engagement.
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