In March 2010, following the publication of the House of Commons Science and Technology Committee's report "Evidence Check 2: Homeopathy", Ms Jackson signed Early Day Motion 908: Science and Technology Committee Report on Homeopathy, which was critical of the report.
Glenda Jackson has signed a number of Early Day Motions that support the use of herbal medicines. These include EDM 1103: Traditional Herbal Medicinal Products Directive (2005), EDM 1549: Herbal Clinic at The Royal London Homeopathic Hospital (2008), EDM 2080: Herbal Remedies (2008), and EDM 295: Statutory Registration of Herbalists (2009).
In May 2008 in the abortion amendments to the Human Fertilisation and Embryology Bill (now Act), Glenda Jackson voted to keep the current time limit of 24 weeks in line with the scientific and medical consensus.
In February 2015 Glenda Jackson voted in favour of allowing mitochondrial donation, which would allow women who carried mitochondrial diseases to have genetically related children who would not inherit the disease. An October 2014 briefing report by the Human Fertilisation and Embryology Authority (HFEA), which had been investigating the issue for three years, stated that there was no evidence to show that mitochondrial donation was unsafe. However, some religious groups had said that such procedures should not be allowed. After clearing both Houses mitochondrial donation is now legal, regulated by the HFEA.
Glenda Jackson signed the February 2009 Early Day Motion 754: MMR Vaccine and the Media supporting the use of the MMR vaccine. The motion expressed disappointment with the reporting of the vaccine by Jeni Barnett on her LBC radio show in January 2009, and expressed the hope that future reporting of the issue of MMR would be less sensationalist and more evidence-based.
In October 2010, Glenda Jackson signed Early Day Motion 767: Science is Vital Campaign. The motion stated that the house "believes that continued investment in research is vital in order to meet the technological and social challenges of the 21st century, and to continue to attract high-tech industries to invest here; further believes that large cuts to science funding are a false economy, due to evidence that research investment fuels economic growth".
Libel Law Reform
In December 2009, Glenda Jackson signed Early Day Motion 423 calling for a reform of the English libel law. The motion noted that human rights activists, scientists, writers and journalists are currently prevented from publishing, and the public prevented from reading, matters of strong public interest due to the chilling effect of the law.
The motion was tabled following the recent formation of Libel Reform Coalition, which has the backing of Index on Censorship, English PEN and Sense about Science. Sense about Science have been campaigning in defense of a member of its board of trustees, author and journalist Simon Singh, who has been sued for libel by the British Chiropractic Association. They issued a statement entitled "The law has no place in scientific disputes".