<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>AEGERION PHARMACEUTICALS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>00767E102</cusip>
			<value>7851</value>
			<shrsOrPrnAmt>
				<sshPrnamt>300000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>300000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ALMOST FAMILY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>020409108</cusip>
			<value>55888</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1250000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1250000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>AMEDISYS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>023436108</cusip>
			<value>107120</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>4000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>BAXTER INTL INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>071813109</cusip>
			<value>34250</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>BOSTON SCIENTIFIC CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>101137107</cusip>
			<value>79875</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>4500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>COMMUNITY HEALTH SYS INC NEW</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>203668108</cusip>
			<value>78420</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>EXPRESS SCRIPTS HLDG CO</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>30219G108</cusip>
			<value>43385</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>FREDS INC</nameOfIssuer>
			<titleOfClass>CL A</titleOfClass>
			<cusip>356108100</cusip>
			<value>10919</value>
			<shrsOrPrnAmt>
				<sshPrnamt>638900</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>638900</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>GENOMIC HEALTH INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>37244C101</cusip>
			<value>45825</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>HEALTHWAYS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>422245100</cusip>
			<value>75845</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3850000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>3850000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>KINDRED HEALTHCARE INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>494580103</cusip>
			<value>131178</value>
			<shrsOrPrnAmt>
				<sshPrnamt>5513999</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>5513999</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>MAGELLAN HEALTH INC</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>559079207</cusip>
			<value>35410</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>MYLAN N V</nameOfIssuer>
			<titleOfClass>SHS EURO</titleOfClass>
			<cusip>N59465109</cusip>
			<value>59350</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ORTHOFIX INTL N V</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>N6748L102</cusip>
			<value>64602</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1800000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1800000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SELECT MED HLDGS CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>81619Q105</cusip>
			<value>199464</value>
			<shrsOrPrnAmt>
				<sshPrnamt>13450000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>13450000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SUPERVALU INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>868536103</cusip>
			<value>81410</value>
			<shrsOrPrnAmt>
				<sshPrnamt>7000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>7000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SYNERON MEDICAL LTD</nameOfIssuer>
			<titleOfClass>ORD SHS</titleOfClass>
			<cusip>M87245102</cusip>
			<value>37140</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>3000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>TEVA PHARMACEUTICAL INDS LTD</nameOfIssuer>
			<titleOfClass>ADR</titleOfClass>
			<cusip>881624209</cusip>
			<value>93450</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>VALEANT PHARMACEUTICALS INTL</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>91911K102</cusip>
			<value>49655</value>
			<shrsOrPrnAmt>
				<sshPrnamt>250000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>250000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>VIVUS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>928551100</cusip>
			<value>30750</value>
			<shrsOrPrnAmt>
				<sshPrnamt>12500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>12500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
</informationTable>
