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Artificial meat is grown from animal cells in a laboratory and includes beef, pork, chicken and fish. It is also known as cultured meat or cell-based meat.
There are various ways to grow artificial meat. One way is to take adult stem cells from a small muscle sample from a live animal (under local anaesthetic.) The stem cells are then put in salts, vitamins, sugars, proteins, and growth factors. The oxygen-rich environment allows cells to multiply. The meat is ready in a few weeks.
With real meat, there's always a risk of contamination with bacteria after slaughter. Artificial meat is produced in a highly controlled environment and said to be safer than the real thing.
There are concerns over the growth factors added to stem cells, such as hormones, as overexposure in artificial meat can cause harmful health effects in humans. Growth hormones have been banned in agriculture in the EU since 1982.
Artificial meat is full of protein. The nutritional content can be controlled by experimenting with the levels of saturated fatty acids and healthier polyunsaturated fatty acids. Saturated fats can be replaced with omega-3s, and extra micronutrients such as vitamin B12 can be added.
But eating too much meat is harmful to your health, and while artificial meat may be slightly better, plant-based meat alternatives may still be the healthiest option.
A US consultancy firm Kearney suggests that 35 per cent of all meat consumed globally will be artificial by 2040. It can be produced faster and more efficiently.
Livestock produces a large proportion of global greenhouse gas emissions. However, a study at Oxford University suggested that the CO2 emissions from artificial meat production facilities could be more damaging to the planet in the long run.
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