Complex sentence: Both Aisling and her mother, Martha Brassil, have signed a petition in support of Doctor Andrew Wakefield and promote other fringe health claims like the GAPS diet, Integrated Energy Therapy (Angel Healing) and the theory that the contraceptive pill causes homosexuality.
Split into simpler sentences: Both Aisling and her mother, Martha Brassil, have signed a petition in support of Doctor Andrew Wakefield. Amongst other fringe health claims supported by Aisling and Martha Brassil are the GAPS diet, Integrated Energy Therapy (Angel Healing) and the theory that the contraceptive pill causes homosexuality.