Free PMC article Opioids used to relieve cancer pain may be causing some tumors to grow and spread, some studies suggest. We are no longer accepting comments on this article.Part of the Daily Mail, The Mail on Sunday & Metro Media GroupNFL fans boo a moment of silence for BLM: The Houston Texans walk out during the anthem and a Kansas City Chief takes a knee in front of 17,000 supporters at the first game of the new seasonREVEALED: At least 15 phones belonging to Robert Mueller's team - including FBI lover Lisa Page - had their information wiped before they were handed to Bill Barr's DOJ Rhode Island University professor defends Antifa gunman who killed a Trump supporter and claims 'there's nothing wrong with it from a moral perspective' 'This is peak 2020': Multi-billion dollar sportswear company Lululemon is ridiculed for promoting a 'woke' class on 'resisting capitalism' while selling its signature yoga pants for $128 How comeback kid Sweden got the last laugh on coronavirus: Infections and deaths fall to record lows, economy improves and travel is back on after months of doubts about lockdown-free strategyNew York Times reporter claims she was removed from Trump's rally without explanation after the president's campaign 'tracked' her down from Twitter photosExpert on Amazon tribes is shot dead with an arrow by indigenous people while approaching them in remote area of Brazil Joe Biden's spokesman refuses to discuss whether former VP used teleprompter to answer questions from regular Americans claiming it is a 'distraction'Donald Trump 'claimed Kim Jong Un told him he'd displayed his executed uncle's decapitated corpse in front of North Korea officials' The US already had 6.4million coronavirius cases in APRIL: Study claims there were nine times more cases than reported by the CDC - and today's true total is still unknown'Hunker down' for the holidays': Dr Fauci warns that fall and winter 'will not be easy' and urges Americans not to 'underestimate the pandemic' Lights illuminate the sky above New York and the Pentagon in tribute to 9/11 victims on 19th anniversary of the terror attackNavy SEAL who helped kill Osama bin Laden reveals how the harrowing memory of people jumping out of the World Trade Center on 9/11 gave him the courage to go through with the mission he didn't expect to surviveNASA will pay private space companies to mine Moon rocks for up to $300 a gram ahead of its 2024 Artemis lunar exploration missionGolf icon John Daly, who used to drink 28 cans of Diet Coke and smoke 40 cigarettes EVERY DAY, reveals he has bladder cancer and has been left hoping for 'a miracle'Meghan Markle and Prince Harry's Zoom crasher! Opioids used to relieve cancer pain may be causing some tumors to grow and spread, some studies suggest. Ibuprofen treatment clearly restrained tumor growth (P < .001), whereas aspirin produced no significant effect (P = .929). Painkillers such as ibuprofen could be used to combat prostate and other cancers, research suggests.It is believed the drugs interact with cancer cells to slow tumour growth.Ibuprofen belongs to a particular class of non-steroidal anti-inflammatory drugs (NSAIDs) known as 'profens'.A study has shown that all profens are processed in the body in the same way, though a protein called AMACR.Readily available: New research suggests ibuprofen interacts with cancer cells and slows their growth, meaning they could be used in treatment of the diseaseAMACR also plays an important role in many types of cancer. A subset of study tumors Ibuprofen impairs mammary prostaglandin production, tumor promotion and immature myeloid cell frequency during involution.

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