He combines the best of conventional medicine, with complementary principles. If he thinks you have a brain tumour, he'll book you an appointment with a leading surgeon. But, like a growing number of people in this country, Dr Ali believes that healthcare should be about prevention, rather than patching up symptoms - and he has devised a lifestyle programme to kick-start the body's natural healing systems. This recommends eating well, lots of sleep, plenty of water, yoga, regular massages, meditation and good hygiene - hardly revolutionary stuff.